Compare 6/21 and 18/48
6/21 is smaller than 18/48
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
6/21 = 6 × 16/21 × 16 = 96/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
18/48 = 18 × 7/48 × 7 = 126/336 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 96/336 < 126/336 or 6/21 < 18/48
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