Compare 3/48 and 15/21
3/48 is smaller than 15/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
3/48 = 3 × 7/48 × 7 = 21/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
15/21 = 15 × 16/21 × 16 = 240/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21/336 < 240/336 or 3/48 < 15/21
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