Posted by **Gwen** on Tuesday, November 24, 2009 at 11:34pm.

Don't know how to compare

101 2/18 to 102 89/1000

47 8/13 to 47 4/7

17/8 to 16/5

- Math -
**MathMate**, Tuesday, November 24, 2009 at 11:52pm
101 2/18 to 102 89/1000

Both fractional parts are proper, and 101 is less than 102, so 101 2/18 < 102 89/1000.

47 8/13 to 47 4/7

Here the integral parts are equal, so compare the fractions

8/13 and 4/7

convert denominators to a common denominator (13*7)=91 and adjust the numerators

8/13 = 8*7/(13*7)=56/91

4/7 = 13*4/(13*7)=52/91

56/91 > 52/91, so 8/13 > 4/7

So 47 8/13 > 47 4/7

17/8 to 16/5

convert to number fractions

17/8 = 2 1/8

16/5 = 3 1/5

Which one is bigger?

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