Compare 1/20 and 72/63, Which fraction is greater?

Compare 1/20 and 72/63

1^st number: 1/20, 2^nd number: 1 9/63

1/20 is smaller than 72/63

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
1/20 = 1 × 63/20 × 63 = 63/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
72/63 = 72 × 20/63 × 20 = 1440/1260
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
63/1260 < 1440/1260 or 1/20 < 72/63

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