Compare 7/27 and 20/28
7/27 is smaller than 20/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
7/27 = 7 × 28/27 × 28 = 196/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
20/28 = 20 × 27/28 × 27 = 540/756 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 196/756 < 540/756 or 7/27 < 20/28
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