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Need helpp MEdalls!!!

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Okay, if you say so.
hang on imma draw my problem
Lol

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Other answers:

\[-4\frac{ 3 }{ 5 }-2\frac{ 1 }{ 2 }\]
I dont understad how to simplify these problems
Id rather know how to do this problem then relie on a caculator
dude uve been typing for the past 20 minutes are you gonna help me?
-71/10
changed mixed numbers to improper fractions
so -(23/5)-(5/2)=-(46/10)-(25/10)=-71/10
but I have like 20 more of those to answer so I was hopeing somebody can show me the steps so I can copy the procedure on the other problems
ok multiply 5 by 4 and then add 3 for first fraction to get -23/5
the quickest way to think about it is to multiply the denominator by the whole number the add the numerator. the get common denominators before anyting else
you get the numerator that way over the same denominator
so like x(a/b) = (bx+a)/b
do same for second fraction to end up with improper fractions
so I have to find the common denominator before anythiing
i would get them to imporper fractions before common denominators
yes then find common denominator if it is not already there.
first. convert mixed number to improper fraction second. get common denominator if needed third. solve
okay so it should be 12/5 -2/2
then the denominators should be 10 right
no \[4 \frac{ 3 }{ 5 }\]
becomes 23/5
how did you get 23
because 5*4 is 20 and then add 3 to get 23
that is new numerator
and denominator stays the same
oh okay so let me try again
23/5 - 5/2
look at this http://www.mathplayground.com/fractions_mixed.html
yes thats right but dont forget the minus signs
okay the 23/5 would be negative right ?
yes
because 4(3/5) was negative
the number is the same just converted to make it easier to do computations
type in calculator and see you get the same number
-(23/5) -5/2 and the common denominator would be ten right
also 5 goes into 23 4 times plus some remainder which is the fraction
yes
okay i got that
so were do i go from there
just subtract the numerators and get the solution
18/10
the denominator stays the same so -71/10
how did you get 71
when you multiplied to get common denominator what did you get?
-46/10-25/10=-71/10
I did'nt multipy anything
do u see how I got that
you cross multiplyed?
multiply top and bottom for -23/5 by 10 and then multiply top and bottom of 25/10 by 2 to get 46/10 and 25/10
oh sorry I wrote that wrong ignore it
so -23/5 by 2/2 and -5/2 by 5/5
okay I see
so -71/10
do you get it?
yea
-71/10 right and that can be simplified
take a look at this http://www.mathsisfun.com/numbers/common-denominator.html
yes correct!
cool thanks man
no problem take care
you too
do you see what i mean

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