Compare 18/12 and 90/54
1st number: 1 6/12, 2nd number: 1 36/54
18/12 is smaller than 90/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
18/12 = 18 × 9/12 × 9 = 162/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
90/54 = 90 × 2/54 × 2 = 180/108 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/108 < 180/108 or 18/12 < 90/54
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