Subtract 30/75 from 10/40
10/40 - 30/75 is -3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 40 × 15 = 600,
10/40 = 10 × 15/40 × 15 = 150/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
30/75 = 30 × 8/75 × 8 = 240/600 - Subtract the two like fractions:
150/600 - 240/600 = 150 - 240/600 = -90/600 - After reducing the fraction, the answer is -3/20
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