Compare 42/60 and 28/21
1st number: 42/60, 2nd number: 1 7/21
42/60 is smaller than 28/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
42/60 = 42 × 7/60 × 7 = 294/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
28/21 = 28 × 20/21 × 20 = 560/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/420 < 560/420 or 42/60 < 28/21
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