Compare 9/16 and 30/21, Which fraction is greater?

Compare 9/16 and 30/21

1^st number: 9/16, 2^nd number: 1 9/21

9/16 is smaller than 30/21

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
9/16 = 9 × 21/16 × 21 = 189/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
30/21 = 30 × 16/21 × 16 = 480/336
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
189/336 < 480/336 or 9/16 < 30/21

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