Compare 45/63 and 81/14, Which fraction is greater?

Compare 45/63 and 81/14

1^st number: 45/63, 2^nd number: 5 11/14

45/63 is smaller than 81/14

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
81/14 = 81 × 9/14 × 9 = 729/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
90/126 < 729/126 or 45/63 < 81/14

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