Compare 9/12 and 18/27
9/12 is greater than 18/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
9/12 = 9 × 9/12 × 9 = 81/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
18/27 = 18 × 4/27 × 4 = 72/108 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/108 > 72/108 or 9/12 > 18/27
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