Compare 81/60 and 21/14
1st number: 1 21/60, 2nd number: 1 7/14
81/60 is smaller than 21/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
81/60 = 81 × 7/60 × 7 = 567/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
21/14 = 21 × 30/14 × 30 = 630/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/420 < 630/420 or 81/60 < 21/14
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