Compare 72/42 and 21/60
1st number: 1 30/42, 2nd number: 21/60
72/42 is greater than 21/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
72/42 = 72 × 10/42 × 10 = 720/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 720/420 > 147/420 or 72/42 > 21/60
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