Compare 15/48 and 21/49
15/48 is smaller than 21/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 49 is 2352
Next, find the equivalent fraction of both fractional numbers with denominator 2352 - For the 1st fraction, since 48 × 49 = 2352,
15/48 = 15 × 49/48 × 49 = 735/2352 - Likewise, for the 2nd fraction, since 49 × 48 = 2352,
21/49 = 21 × 48/49 × 48 = 1008/2352 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 735/2352 < 1008/2352 or 15/48 < 21/49
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