Subtract 7/8 from 15/25
1525 - 78 is -1140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
1525 = 15 × 825 × 8 = 120200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
78 = 7 × 258 × 25 = 175200 - Subtract the two like fractions:
120200 - 175200 = 120 - 175200 = -55200 - After reducing the fraction, the answer is -1140
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