I need help with my fractions homework. It is 5th grade math.

- anonymous

I need help with my fractions homework. It is 5th grade math.

- Stacey Warren - Expert brainly.com

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- sandra

hey =). ok so give an example problem to give me an idea of what you're struggling with

- anonymous

Well, I am Comparing and Ordering fractions, Mixed Numbers, and Decimals.

- sandra

ok sure

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- anonymous

5 1/3 and 6.7

- sandra

right, ok

- anonymous

Can you explain it to me.

- anonymous

hahahah homeworkhelpgirl... made a new account

- sandra

so 5 1/3 means 5 , and then 1/3 of 1

- sandra

in decimal form, that means 5.333333333

- anonymous

Remember I am only in the 5th grade,,,,

- anonymous

sandra can you help me with regression when you're finished please?

- sandra

but conceptually, you can see that 5 1/3 is less than six, because 5 1/3 = 5 + 1/3 (which is less than one), and 6.7 means 5 + 1.7 (which is more than one)

- sandra

sorry briibaby, too advanced for me!

- anonymous

What?

- sandra

another way to compare them is to turn them both into fractions

- sandra

but let's see some other sample problems too

- sandra

for example, what is bigger, 1/2 or 1/3?

- anonymous

1/3?

- sandra

nope, it's just the bottom number is bigger. let me show you how to compare

- sandra

to compare fractions, it helps to find what's called a common denominator

- sandra

for example, if I asked you what's bigger, 1/3, or 2/3, what would you say?

- anonymous

Wait :) I have some numbers with decimals with them!

- sandra

ok but 2/3 is bigger than 1/3, because the top number is bigger in 2/3 than 1/3 - and they're fractions out of the same overall unit (3's)

- sandra

but go ahead and post another example with decimals

- anonymous

How do convert fractions into decimals?

- sandra

well, it's easiest to make it so some power of 10 is on the bottom

- sandra

for example, 1/10 = .1 , 1/100 = .01, 1/1000 = .001
The rule is, you're allowed to move the decimal one to the left with each zero that's on the bottom

- anonymous

I don't understand.

- sandra

well, 1/10 is another way of writing "one divided by ten"

- sandra

and when I divide by some power of 10 - for example 10, 100, 1000, 2000, all that means is moving the decimal point one to the left

- sandra

so 1 divided by 10 is .1

- sandra

2 divided by 10 is .2

- sandra

I just move the point one to the left

- sandra

multiplying by some power of 10 means I get to move the decimal point one to the right, and add a zero

- sandra

so 1 x 10 = 10 (added one zero), 2 x 100 = 200 (I get to add two zeros), and 6.7 x 10 = 67 (I get to move the decimal point to the right)

- sandra

so there are two ways to compare a decimal and a fraction

- sandra

one way would be to convert the fraction to a decimal - and then compare them

- sandra

another way would be to convert the decimal to a fraction, and then compare those fractions

- sandra

I imagine they want you to learn the second approach

- sandra

now to compare fractions, as I was saying earlier, you need to find what's called a "common denominator"

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