Subtract 21/40 from 3/75
3/75 - 21/40 is -97/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
3/75 = 3 × 8/75 × 8 = 24/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
21/40 = 21 × 15/40 × 15 = 315/600 - Subtract the two like fractions:
24/600 - 315/600 = 24 - 315/600 = -291/600 - After reducing the fraction, the answer is -97/200
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