Compare 90/84 and 18/56
1st number: 1 6/84, 2nd number: 18/56
90/84 is greater than 18/56
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
18/56 = 18 × 3/56 × 3 = 54/168 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/168 > 54/168 or 90/84 > 18/56
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