Subtract 10/15 from 18/36
18/36 - 10/15 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Likewise, for the 2nd fraction, since 15 × 12 = 180,
10/15 = 10 × 12/15 × 12 = 120/180 - Subtract the two like fractions:
90/180 - 120/180 = 90 - 120/180 = -30/180 - After reducing the fraction, the answer is -1/6
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