Subtract 7/8 from 15/75
15/75 - 7/8 is -27/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 8 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
15/75 = 15 × 8/75 × 8 = 120/600 - Likewise, for the 2nd fraction, since 8 × 75 = 600,
7/8 = 7 × 75/8 × 75 = 525/600 - Subtract the two like fractions:
120/600 - 525/600 = 120 - 525/600 = -405/600 - After reducing the fraction, the answer is -27/40
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