Subtract 18/36 from 12/25
12/25 - 18/36 is -1/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
12/25 = 12 × 36/25 × 36 = 432/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
18/36 = 18 × 25/36 × 25 = 450/900 - Subtract the two like fractions:
432/900 - 450/900 = 432 - 450/900 = -18/900 - After reducing the fraction, the answer is -1/50
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