Compare 6/63 and 21/27, Which fraction is greater?

Compare 6/63 and 21/27

6/63 is smaller than 21/27

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 27 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 63 × 3 = 189,
6/63 = 6 × 3/63 × 3 = 18/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
21/27 = 21 × 7/27 × 7 = 147/189
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
18/189 < 147/189 or 6/63 < 21/27

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