Compare 98/42 and 40/81, Which fraction is greater?

Compare 98/42 and 40/81

1^st number: 2 14/42, 2^nd number: 40/81

98/42 is greater than 40/81

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134

Next, find the equivalent fraction of both fractional numbers with denominator 1134
For the 1st fraction, since 42 × 27 = 1134,
98/42 = 98 × 27/42 × 27 = 2646/1134
Likewise, for the 2nd fraction, since 81 × 14 = 1134,
40/81 = 40 × 14/81 × 14 = 560/1134
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
2646/1134 > 560/1134 or 98/42 > 40/81

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