Compare 21/54 and 7/28
21/54 is greater than 7/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
21/54 = 21 × 14/54 × 14 = 294/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
7/28 = 7 × 27/28 × 27 = 189/756 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 294/756 > 189/756 or 21/54 > 7/28
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