Compare 20/56 and 98/81, Which fraction is greater?

Compare 20/56 and 98/81

1^st number: 20/56, 2^nd number: 1 17/81

20/56 is smaller than 98/81

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536

Next, find the equivalent fraction of both fractional numbers with denominator 4536
For the 1st fraction, since 56 × 81 = 4536,
20/56 = 20 × 81/56 × 81 = 1620/4536
Likewise, for the 2nd fraction, since 81 × 56 = 4536,
98/81 = 98 × 56/81 × 56 = 5488/4536
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1620/4536 < 5488/4536 or 20/56 < 98/81

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