Subtract 42/7 from 40/25
1st number: 1 15/25, 2nd number: 6 0/7
40/25 - 42/7 is -22/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
40/25 = 40 × 7/25 × 7 = 280/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
42/7 = 42 × 25/7 × 25 = 1050/175 - Subtract the two like fractions:
280/175 - 1050/175 = 280 - 1050/175 = -770/175 - After reducing the fraction, the answer is -22/5
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