Subtract 45/80 from 7/25
7/25 - 45/80 is -113/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
7/25 = 7 × 16/25 × 16 = 112/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
45/80 = 45 × 5/80 × 5 = 225/400 - Subtract the two like fractions:
112/400 - 225/400 = 112 - 225/400 = -113/400
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