anonymous
  • anonymous
Simplify
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[\frac{ 5 }{4} .\frac{ 22 }{ 25 }\]
anonymous
  • anonymous
11/10 110/100 27/29 1 1/10
anonymous
  • anonymous
@ganeshie8 @ParthKohli

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More answers

UsukiDoll
  • UsukiDoll
what is 5 x 22? what is 4 x 25?
anonymous
  • anonymous
110 and 100
anonymous
  • anonymous
@Mimi_x3
UsukiDoll
  • UsukiDoll
oh hey sorry about the wait we can reduce this fraction further \[\frac{110}{100} \] what is 110 divided by 10 and what is 100 divided by 10
anonymous
  • anonymous
11 and 10
UsukiDoll
  • UsukiDoll
yes so your simplified fraction is \[\frac{11}{10} \]
anonymous
  • anonymous
ow do u divide fractions
UsukiDoll
  • UsukiDoll
dividing fractions doesn't exist you have to flip the second fraction and you'll end up multiplying instead.
UsukiDoll
  • UsukiDoll
|dw:1439371095956:dw|
UsukiDoll
  • UsukiDoll
|dw:1439371122278:dw|
anonymous
  • anonymous
I said divide
UsukiDoll
  • UsukiDoll
yeah I know, but dividing fractions doesn't exist.. you have to flip the second fraction and then use multiplication. did you see the example I've drawn?
UsukiDoll
  • UsukiDoll
|dw:1439371215666:dw|
UsukiDoll
  • UsukiDoll
the flipped version of 4/5 is 5/4 then use multiplication |dw:1439371260995:dw|
UsukiDoll
  • UsukiDoll
though for this particular problem, we were just asked to simplify (as in reduce the fractions) , so \[\frac{11}{10} \] is the final answer
anonymous
  • anonymous
i know i just have a question on how to divide two fractions if i were given the problem
UsukiDoll
  • UsukiDoll
see this https://www.mathsisfun.com/fractions_division.html in the examples, they are flipping the second fraction and using multiplication .
UsukiDoll
  • UsukiDoll
|dw:1439371470932:dw|
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
or cross divide or o it the same way
UsukiDoll
  • UsukiDoll
no just multiply straight away numerator x numerator ------------------------ denominator x denominator
UsukiDoll
  • UsukiDoll
|dw:1439371566510:dw|
UsukiDoll
  • UsukiDoll
but we can't leave it like that because this fraction can be reduced by dividing both numbers by 2 |dw:1439371617570:dw|
anonymous
  • anonymous
thnx
anonymous
  • anonymous
wait why did you divide by 2 on both sides
UsukiDoll
  • UsukiDoll
6 and 2 are both even numbers.... they are also divisible by 2 6 divided by 2 is 3 3 x 2 = 6 similarly 2 divided by 2 is 1 1 x 2 = 2
UsukiDoll
  • UsukiDoll
so the fraction after I reduced would be 3/1 or just 3 3 divided by 1 is just 3 that whole number
anonymous
  • anonymous
so you divide both sides by the number the two are divisible by
UsukiDoll
  • UsukiDoll
6 is divisible by 2 2 is divisible by 2 so we can divide further until we can't divide anymore 3/1 is the closest I can obtain the simplified fraction. I can't find a common divisible number.
Jhannybean
  • Jhannybean
Man...I wish I could get that chrome app working on my browser too. Too bad it disables.
UsukiDoll
  • UsukiDoll
another example is 6/18 6 is divisible by 6 18 is divisible by 6 6 divided by 6 is 1 18 divided by 6 is 3 so 6/18 in simplified for is 1/3 6 is also divisible by 3 18 is also divisible by 3 but we have to take more steps 6 divided by 3 is 2 18 divided by 3 is 6 2/6 I can simplify further 2 is divisible by 2 6 is divisible by 2 2 divided by 2 is 1 6 divided by 2 is 3 1/3 although I've obtained the same result, using smaller numbers takes too much time.
UsukiDoll
  • UsukiDoll
I used a bigger number and got a simplified fraction in a step vs using smaller numbers but I'm getting fractions that are still reducible, so I have to reduce further... now I took a bunch of steps. In a timed test, it's a better idea for me to use bigger numbers.
anonymous
  • anonymous
is it the same if you put a number in front of a fraction liike 2 1/5
UsukiDoll
  • UsukiDoll
that's a mixed number... if we want to reduce this fraction or figure out if this fraction can be reduced we need to change it into an improper fraction.
UsukiDoll
  • UsukiDoll
|dw:1439372358709:dw| 11 is going to be the numerator
UsukiDoll
  • UsukiDoll
|dw:1439372430464:dw| since 11 and 5 are both prime numbers, we're done. That's the closest simplified fraction we can get.
anonymous
  • anonymous
thnx for the help
UsukiDoll
  • UsukiDoll
you're welcome :)
anonymous
  • anonymous
hold onn srry can u do 2/3 divided by 4/5
UsukiDoll
  • UsukiDoll
yeah sure |dw:1439372796026:dw| this is our division problem
UsukiDoll
  • UsukiDoll
dividing fractions don't exist . remember this? |dw:1439372833144:dw| we apply this rule to the problem |dw:1439372842706:dw|
UsukiDoll
  • UsukiDoll
so now we multiply the numerator and the denominator |dw:1439372901391:dw|
UsukiDoll
  • UsukiDoll
now we notice that the number 10 is divisible by 2 and the number 12 is divisible by 2 2 x 5 = 10 2 x 6 = 12 10 divided by 2 is 5 and 12 divided by 2 is 6
UsukiDoll
  • UsukiDoll
|dw:1439372961248:dw|
anonymous
  • anonymous
is it 6/5 or 5/6
UsukiDoll
  • UsukiDoll
5/6
anonymous
  • anonymous
what \about 3 /4 divided by 5/6
UsukiDoll
  • UsukiDoll
the same process applies just flip the 5/6 the flipped version is 6/5 |dw:1439373127127:dw|
anonymous
  • anonymous
nooo
anonymous
  • anonymous
i meant 3 1/4 divided by 5/6
UsukiDoll
  • UsukiDoll
oh sorry about that XD! ok... first we need to change that mixed fraction into an improper fraction
UsukiDoll
  • UsukiDoll
|dw:1439373285062:dw|
UsukiDoll
  • UsukiDoll
|dw:1439373372646:dw|
UsukiDoll
  • UsukiDoll
|dw:1439373411704:dw|
UsukiDoll
  • UsukiDoll
so now... numerator x numerator -------------------------- denominator x denominator 13 x 6 78 ------- ------ 4 x 5 20
UsukiDoll
  • UsukiDoll
this fraction can be reduced as both numbers are divisible by 2
UsukiDoll
  • UsukiDoll
78 divided by 2 = 39 ------------ ---- 20 divided by 2 10 now we got an odd number on the numerator... we got a problem... 39 is divisible by 3 or 12 10 is divisible by 2 or 5 since none of those divisibility numbers match, we can't reduce further.
anonymous
  • anonymous
thank you p much i might have one more
anonymous
  • anonymous
When Meriden made a cake she used a recipe calling for 3/4 cup of sugar. She was planning to make a huge cake for a family get-together, which means that she was going to triple the recipe (three times the ingredients). How much sugar will she need?
anonymous
  • anonymous
for this one i said it was 2 1/4
UsukiDoll
  • UsukiDoll
you have it right :) 3/4 cup of sugar is just one cake so we have to triple the recipe meaning 3/4 x 3 which is needed to make 3 cakes combined into a super cake |dw:1439373846124:dw| I'm going to change this improper fraction into a mixed fraction |dw:1439373871640:dw|
UsukiDoll
  • UsukiDoll
9/4 is the same as 2 1/4 improper fraction -> mixed fraction 2 1/4 is the same as 9/4 mixed fraction -> improper fraction
anonymous
  • anonymous
am i correct
UsukiDoll
  • UsukiDoll
yes

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