Compare 21/81 and 56/98
21/81 is smaller than 56/98
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 98 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 81 × 98 = 7938,
21/81 = 21 × 98/81 × 98 = 2058/7938 - Likewise, for the 2nd fraction, since 98 × 81 = 7938,
56/98 = 56 × 81/98 × 81 = 4536/7938 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2058/7938 < 4536/7938 or 21/81 < 56/98
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