Compare 12/16 and 15/18
12/16 is smaller than 15/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
15/18 = 15 × 8/18 × 8 = 120/144 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 108/144 < 120/144 or 12/16 < 15/18
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