Compare 12/21 and 49/28
1st number: 12/21, 2nd number: 1 21/28
12/21 is smaller than 49/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
12/21 = 12 × 4/21 × 4 = 48/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 48/84 < 147/84 or 12/21 < 49/28
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