Subtract 28/40 from 10/25
10/25 - 28/40 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
10/25 = 10 × 8/25 × 8 = 80/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
28/40 = 28 × 5/40 × 5 = 140/200 - Subtract the two like fractions:
80/200 - 140/200 = 80 - 140/200 = -60/200 - After reducing the fraction, the answer is -3/10
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