Subtract 42/25 from 7/70
1st number: 7/70, 2nd number: 1 17/25
7/70 - 42/25 is -79/50.
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,
7/70 = 7 × 5/70 × 5 = 35/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
42/25 = 42 × 14/25 × 14 = 588/350 - Subtract the two like fractions:
35/350 - 588/350 = 35 - 588/350 = -553/350 - After reducing the fraction, the answer is -79/50
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