Compare 56/49 and 90/81
1st number: 1 7/49, 2nd number: 1 9/81
56/49 is greater than 90/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969
Next, find the equivalent fraction of both fractional numbers with denominator 3969 - For the 1st fraction, since 49 × 81 = 3969,
56/49 = 56 × 81/49 × 81 = 4536/3969 - Likewise, for the 2nd fraction, since 81 × 49 = 3969,
90/81 = 90 × 49/81 × 49 = 4410/3969 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4536/3969 > 4410/3969 or 56/49 > 90/81
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