Compare 90/84 and 45/15
1st number: 1 6/84, 2nd number: 3 0/15
90/84 is smaller than 45/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
45/15 = 45 × 28/15 × 28 = 1260/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/420 < 1260/420 or 90/84 < 45/15
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