Compare 90/84 and 40/63
1st number: 1 6/84, 2nd number: 40/63
90/84 is greater than 40/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
90/84 = 90 × 3/84 × 3 = 270/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/252 > 160/252 or 90/84 > 40/63
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