Compare 21/60 and 7/15
21/60 is smaller than 7/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/60 < 28/60 or 21/60 < 7/15
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