Compare 21/5 and 15/60
1st number: 4 1/5, 2nd number: 15/60
21/5 is greater than 15/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
21/5 = 21 × 12/5 × 12 = 252/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
15/60 = 15 × 1/60 × 1 = 15/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/60 > 15/60 or 21/5 > 15/60
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