Compare 14/80 and 21/15, Which fraction is greater?

Compare 14/80 and 21/15

1^st number: 14/80, 2^nd number: 1 6/15

14/80 is smaller than 21/15

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
14/80 = 14 × 3/80 × 3 = 42/240
Likewise, for the 2nd fraction, since 15 × 16 = 240,
21/15 = 21 × 16/15 × 16 = 336/240
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
42/240 < 336/240 or 14/80 < 21/15

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