Compare 12/7 and 21/64
1st number: 1 5/7, 2nd number: 21/64
12/7 is greater than 21/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 7 × 64 = 448,
12/7 = 12 × 64/7 × 64 = 768/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
21/64 = 21 × 7/64 × 7 = 147/448 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 768/448 > 147/448 or 12/7 > 21/64
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