Compare 15/40 and 72/14, Which fraction is greater?

Compare 15/40 and 72/14

1^st number: 15/40, 2^nd number: 5 2/14

15/40 is smaller than 72/14

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
15/40 = 15 × 7/40 × 7 = 105/280
Likewise, for the 2nd fraction, since 14 × 20 = 280,
72/14 = 72 × 20/14 × 20 = 1440/280
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
105/280 < 1440/280 or 15/40 < 72/14

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