Subtract 10/15 from 20/75
20/75 - 10/15 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 15 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
20/75 = 20 × 1/75 × 1 = 20/75 - Likewise, for the 2nd fraction, since 15 × 5 = 75,
10/15 = 10 × 5/15 × 5 = 50/75 - Subtract the two like fractions:
20/75 - 50/75 = 20 - 50/75 = -30/75 - After reducing the fraction, the answer is -2/5
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