Compare 27/45 and 12/15
27/45 is smaller than 12/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
27/45 = 27 × 1/45 × 1 = 27/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
12/15 = 12 × 3/15 × 3 = 36/45 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 27/45 < 36/45 or 27/45 < 12/15
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