Compare 1/54 and 21/72
1/54 is smaller than 21/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
1/54 = 1 × 4/54 × 4 = 4/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
21/72 = 21 × 3/72 × 3 = 63/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4/216 < 63/216 or 1/54 < 21/72
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