Compare 2/81 and 15/27
2/81 is smaller than 15/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 27 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
2/81 = 2 × 1/81 × 1 = 2/81 - Likewise, for the 2nd fraction, since 27 × 3 = 81,
15/27 = 15 × 3/27 × 3 = 45/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2/81 < 45/81 or 2/81 < 15/27
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