Compare 20/30 and 5/64
20/30 is greater than 5/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 30 × 32 = 960,
20/30 = 20 × 32/30 × 32 = 640/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
5/64 = 5 × 15/64 × 15 = 75/960 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 640/960 > 75/960 or 20/30 > 5/64
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