Compare 90/84 and 12/30
1st number: 1 6/84, 2nd number: 12/30
90/84 is greater than 12/30
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,
90/84 = 90 × 5/84 × 5 = 450/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
12/30 = 12 × 14/30 × 14 = 168/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/420 > 168/420 or 90/84 > 12/30
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