Compare 21/49 and 5/64
21/49 is greater than 5/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 64 is 3136
Next, find the equivalent fraction of both fractional numbers with denominator 3136 - For the 1st fraction, since 49 × 64 = 3136,
21/49 = 21 × 64/49 × 64 = 1344/3136 - Likewise, for the 2nd fraction, since 64 × 49 = 3136,
5/64 = 5 × 49/64 × 49 = 245/3136 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1344/3136 > 245/3136 or 21/49 > 5/64
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