Subtract 9/12 from 15/75
15/75 - 9/12 is -11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
15/75 = 15 × 4/75 × 4 = 60/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Subtract the two like fractions:
60/300 - 225/300 = 60 - 225/300 = -165/300 - After reducing the fraction, the answer is -11/20
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