Subtract 27/75 from 1/80
1/80 - 27/75 is -139/400.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 80 × 15 = 1200,
1/80 = 1 × 15/80 × 15 = 15/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
27/75 = 27 × 16/75 × 16 = 432/1200 - Subtract the two like fractions:
15/1200 - 432/1200 = 15 - 432/1200 = -417/1200 - After reducing the fraction, the answer is -139/400
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