Compare 15/54 and 12/15
15/54 is smaller than 12/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
12/15 = 12 × 18/15 × 18 = 216/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/270 < 216/270 or 15/54 < 12/15
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