Compare 21/54 and 42/60
21/54 is smaller than 42/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
21/54 = 21 × 10/54 × 10 = 210/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
42/60 = 42 × 9/60 × 9 = 378/540 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/540 < 378/540 or 21/54 < 42/60
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