Compare 72/8 and 80/15, Which fraction is greater?

Compare 72/8 and 80/15

1^st number: 9 0/8, 2^nd number: 5 5/15

72/8 is greater than 80/15

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 8 × 15 = 120,
72/8 = 72 × 15/8 × 15 = 1080/120
Likewise, for the 2nd fraction, since 15 × 8 = 120,
80/15 = 80 × 8/15 × 8 = 640/120
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1080/120 > 640/120 or 72/8 > 80/15

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