Compare 20/64 and 81/30
1st number: 20/64, 2nd number: 2 21/30
20/64 is smaller than 81/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 30 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
20/64 = 20 × 15/64 × 15 = 300/960 - Likewise, for the 2nd fraction, since 30 × 32 = 960,
81/30 = 81 × 32/30 × 32 = 2592/960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 300/960 < 2592/960 or 20/64 < 81/30
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