Subtract 7/25 from 40/70
40/70 - 7/25 is 51/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
40/70 = 40 × 5/70 × 5 = 200/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
7/25 = 7 × 14/25 × 14 = 98/350 - Subtract the two like fractions:
200/350 - 98/350 = 200 - 98/350 = 102/350 - After reducing the fraction, the answer is 51/175
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