Compare 18/14 and 42/81, Which fraction is greater?

Compare 18/14 and 42/81

1^st number: 1 4/14, 2^nd number: 42/81

18/14 is greater than 42/81

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134

Next, find the equivalent fraction of both fractional numbers with denominator 1134
For the 1st fraction, since 14 × 81 = 1134,
18/14 = 18 × 81/14 × 81 = 1458/1134
Likewise, for the 2nd fraction, since 81 × 14 = 1134,
42/81 = 42 × 14/81 × 14 = 588/1134
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1458/1134 > 588/1134 or 18/14 > 42/81

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