Subtract 20/25 from 40/75
40/75 - 20/25 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 25 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
40/75 = 40 × 1/75 × 1 = 40/75 - Likewise, for the 2nd fraction, since 25 × 3 = 75,
20/25 = 20 × 3/25 × 3 = 60/75 - Subtract the two like fractions:
40/75 - 60/75 = 40 - 60/75 = -20/75 - After reducing the fraction, the answer is -4/15
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