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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