Compare 18/80 and 40/54
18/80 is smaller than 40/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
18/80 = 18 × 27/80 × 27 = 486/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
40/54 = 40 × 40/54 × 40 = 1600/2160 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 486/2160 < 1600/2160 or 18/80 < 40/54
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