Compare 18/64 and 21/15
1st number: 18/64, 2nd number: 1 6/15
18/64 is smaller than 21/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 15 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
18/64 = 18 × 15/64 × 15 = 270/960 - Likewise, for the 2nd fraction, since 15 × 64 = 960,
21/15 = 21 × 64/15 × 64 = 1344/960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/960 < 1344/960 or 18/64 < 21/15
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