Morgan drinks 7 1/3 cups of water a day. brittany drinks 2 3/4 cups less water than morgan. how much water does brittany drink?

4 7/12

Step-by-step explanation:

We have to subtract 2 3/4 from 7 1/3

Of course, they don't have the same denominator, so we have to find their GCF.

It's 12 (3 and 4 both go into 12)

3 goes into 12 4 times, so multiple 1 by 4

Now we have 7 4/12

4 goes into 12 3 times, so multiple 3 by 3

For this, we have 2 9/12

It's easier to work with unsimplified fractions  

2 9/12 switches to 33/12 (multiple 12 by 2 and add 9)

and 7 4/12 switches to 88/12 (multiple 12 by 7 and add 4)

Now we can subtract.

88-33 = 55

We now have 55/12 To simplify this, it's 4 7/12

Hope this helps!

answer:

step-by-step explanation:

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step-by-step explanation: