Subtract 7/12 from 20/75
20/75 - 7/12 is -19/60.
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,
20/75 = 20 × 4/75 × 4 = 80/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
7/12 = 7 × 25/12 × 25 = 175/300 - Subtract the two like fractions:
80/300 - 175/300 = 80 - 175/300 = -95/300 - After reducing the fraction, the answer is -19/60
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