Subtract 40/42 from 8/25
8/25 - 40/42 is -332/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
8/25 = 8 × 42/25 × 42 = 336/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
40/42 = 40 × 25/42 × 25 = 1000/1050 - Subtract the two like fractions:
336/1050 - 1000/1050 = 336 - 1000/1050 = -664/1050 - After reducing the fraction, the answer is -332/525
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