Subtract 18/25 from 25/42
25/42 - 18/25 is -131/1050.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
25/42 = 25 × 25/42 × 25 = 625/1050 - Likewise, for the 2nd fraction, since 25 × 42 = 1050,
18/25 = 18 × 42/25 × 42 = 756/1050 - Subtract the two like fractions:
625/1050 - 756/1050 = 625 - 756/1050 = -131/1050
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