Compare 18/27 and 63/81
18/27 is smaller than 63/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 27 × 3 = 81,
18/27 = 18 × 3/27 × 3 = 54/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
63/81 = 63 × 1/81 × 1 = 63/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/81 < 63/81 or 18/27 < 63/81
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