Compare 20/21 and 4/60
20/21 is greater than 4/60
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
20/21 = 20 × 20/21 × 20 = 400/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 400/420 > 28/420 or 20/21 > 4/60
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