Compare 4/5 and 20/64
4/5 is greater than 20/64
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 5 × 64 = 320,
4/5 = 4 × 64/5 × 64 = 256/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
20/64 = 20 × 5/64 × 5 = 100/320 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 256/320 > 100/320 or 4/5 > 20/64
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