Compare 81/27 and 63/18
1st number: 3 0/27, 2nd number: 3 9/18
81/27 is smaller than 63/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
81/27 = 81 × 2/27 × 2 = 162/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
63/18 = 63 × 3/18 × 3 = 189/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/54 < 189/54 or 81/27 < 63/18
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