Compare 81/28 and 90/16
1st number: 2 25/28, 2nd number: 5 10/16
81/28 is smaller than 90/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 28 × 4 = 112,
81/28 = 81 × 4/28 × 4 = 324/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
90/16 = 90 × 7/16 × 7 = 630/112 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/112 < 630/112 or 81/28 < 90/16
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