Compare 3/64 and 63/21, Which fraction is greater?

Compare 3/64 and 63/21

1^st number: 3/64, 2^nd number: 3 0/21

3/64 is smaller than 63/21

Find the least common denominator or LCM of the two denominators:
LCM of 64 and 21 is 1344

Next, find the equivalent fraction of both fractional numbers with denominator 1344
For the 1st fraction, since 64 × 21 = 1344,
3/64 = 3 × 21/64 × 21 = 63/1344
Likewise, for the 2nd fraction, since 21 × 64 = 1344,
63/21 = 63 × 64/21 × 64 = 4032/1344
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
63/1344 < 4032/1344 or 3/64 < 63/21

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