Compare 18/42 and 81/14
1st number: 18/42, 2nd number: 5 11/14
18/42 is smaller than 81/14
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
81/14 = 81 × 3/14 × 3 = 243/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/42 < 243/42 or 18/42 < 81/14
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