Compare 40/84 and 90/63
1st number: 40/84, 2nd number: 1 27/63
40/84 is smaller than 90/63
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,
40/84 = 40 × 3/84 × 3 = 120/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
90/63 = 90 × 4/63 × 4 = 360/252 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/252 < 360/252 or 40/84 < 90/63
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