Compare 12/21 and 10/60
12/21 is greater than 10/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
12/21 = 12 × 20/21 × 20 = 240/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
10/60 = 10 × 7/60 × 7 = 70/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/420 > 70/420 or 12/21 > 10/60
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