Subtract 8/20 from 7/75
7/75 - 8/20 is -23/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
8/20 = 8 × 15/20 × 15 = 120/300 - Subtract the two like fractions:
28/300 - 120/300 = 28 - 120/300 = -92/300 - After reducing the fraction, the answer is -23/75
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