Compare 9/42 and 81/63
1st number: 9/42, 2nd number: 1 18/63
9/42 is smaller than 81/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
9/42 = 9 × 3/42 × 3 = 27/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
81/63 = 81 × 2/63 × 2 = 162/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 27/126 < 162/126 or 9/42 < 81/63
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