Compare 5/12 and 81/42
1st number: 5/12, 2nd number: 1 39/42
5/12 is smaller than 81/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
81/42 = 81 × 2/42 × 2 = 162/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 35/84 < 162/84 or 5/12 < 81/42
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