Compare 18/81 and 63/27
1st number: 18/81, 2nd number: 2 9/27
18/81 is smaller than 63/27
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,
18/81 = 18 × 1/81 × 1 = 18/81 - Likewise, for the 2nd fraction, since 27 × 3 = 81,
63/27 = 63 × 3/27 × 3 = 189/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/81 < 189/81 or 18/81 < 63/27
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