Compare 21/72 and 4/6
21/72 is smaller than 4/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
4/6 = 4 × 12/6 × 12 = 48/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/72 < 48/72 or 21/72 < 4/6
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