Compare 21/28 and 4/64
21/28 is greater than 4/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 28 × 16 = 448,
21/28 = 21 × 16/28 × 16 = 336/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
4/64 = 4 × 7/64 × 7 = 28/448 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 336/448 > 28/448 or 21/28 > 4/64
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