Subtract 15/18 from 12/36
12/36 - 15/18 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
12/36 = 12 × 1/36 × 1 = 12/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Subtract the two like fractions:
12/36 - 30/36 = 12 - 30/36 = -18/36 - After reducing the fraction, the answer is -1/2
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