Compare 7/20 and 81/60
1st number: 7/20, 2nd number: 1 21/60
7/20 is smaller than 81/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/60 < 81/60 or 7/20 < 81/60
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