Subtract 20/80 from 1/75
1/75 - 20/80 is -71/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
1/75 = 1 × 16/75 × 16 = 16/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
20/80 = 20 × 15/80 × 15 = 300/1200 - Subtract the two like fractions:
16/1200 - 300/1200 = 16 - 300/1200 = -284/1200 - After reducing the fraction, the answer is -71/300
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