Compare 90/18 and 81/63
1st number: 5 0/18, 2nd number: 1 18/63
90/18 is greater than 81/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - 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
- 630/126 > 162/126 or 90/18 > 81/63
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