Compare 7/72 and 20/27
7/72 is smaller than 20/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
7/72 = 7 × 3/72 × 3 = 21/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
20/27 = 20 × 8/27 × 8 = 160/216 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/216 < 160/216 or 7/72 < 20/27
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