Compare 21/12 and 45/49
1st number: 1 9/12, 2nd number: 45/49
21/12 is greater than 45/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
45/49 = 45 × 12/49 × 12 = 540/588 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1029/588 > 540/588 or 21/12 > 45/49
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