Compare 45/84 and 90/30
1st number: 45/84, 2nd number: 3 0/30
45/84 is smaller than 90/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
90/30 = 90 × 14/30 × 14 = 1260/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 225/420 < 1260/420 or 45/84 < 90/30
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