Compare 1/54 and 21/16, Which fraction is greater?

Compare 1/54 and 21/16

1^st number: 1/54, 2^nd number: 1 5/16

1/54 is smaller than 21/16

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 16 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 54 × 8 = 432,
1/54 = 1 × 8/54 × 8 = 8/432
Likewise, for the 2nd fraction, since 16 × 27 = 432,
21/16 = 21 × 27/16 × 27 = 567/432
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
8/432 < 567/432 or 1/54 < 21/16

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