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Find a common denominator and make new fractions. Then compare the value of the fractions. Which fraction is larger?




4/5 or 3/4

2007-05-17 08:24:03 · 8 answers · asked by jennnn c 1 in Science & Mathematics Mathematics

8 answers

16/20 and 15/20

so the first fraction is bigger

2007-05-17 08:26:34 · answer #1 · answered by bruinfan 7 · 0 0

For 4/5 :
Multiples of the denominator 5
= 5 , 10 , 15 , 20 , 25

For 3/4 :
Multiples of the denominator 4 :
= 4 , 8 , 12 , 16 , 20 , 24

So, the least common denominator = 20

Multiply 4/5 by 4/4 = 16/20

Multiply 3/4 by 5/5 = 15/20

So, 4/5 > 3/4

2007-05-17 08:33:54 · answer #2 · answered by diomil h 1 · 0 0

common denominator 20
16/20 , 15/20
It's obvious that 4/5 is larger.

2007-05-17 08:28:40 · answer #3 · answered by Anonymous · 0 0

Common denominator = 20

4/5 = 16/20

3/4 = 15/20

Now, it's easy to tell which one is greater.

2007-05-17 08:27:06 · answer #4 · answered by not gh3y 3 · 0 0

4/5 is larger than 3/4.

2007-05-17 08:32:13 · answer #5 · answered by Jack 2 · 0 0

4/5 = 16/20
3/4 = 15/20
Thus 4/5 > 3/4

2007-05-17 08:28:26 · answer #6 · answered by ironduke8159 7 · 0 0

a little note since the above answers all work: an easy way to find _a_ common denominator is to just multiply the two denominators, i.e. 5x4=20

If you want the LCD (least common denominator) you have to do a little bit more work.

2007-05-17 08:31:55 · answer #7 · answered by cs 4 · 0 0

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2016-11-24 19:17:37 · answer #8 · answered by ? 4 · 0 0

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