Compare 21/12 and 5/7
1st number: 1 9/12, 2nd number: 5/7
2112 is greater than 57
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
2112 = 21 × 712 × 7 = 14784 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
57 = 5 × 127 × 12 = 6084 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 14784 > 6084 or 2112 > 57
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