Subtract 70/7 from 7/5
1st number: 1 2/5, 2nd number: 10 0/7
7/5 - 70/7 is -43/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
7/5 = 7 × 7/5 × 7 = 49/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
70/7 = 70 × 5/7 × 5 = 350/35 - Subtract the two like fractions:
49/35 - 350/35 = 49 - 350/35 = -301/35 - After reducing the fraction, the answer is -43/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-70/7 7/10-70/7 7/5-70/14 21/5-70/7 7/15-70/7 7/5-70/21 35/5-70/7 7/25-70/7 7/5-70/35 49/5-70/7 7/35-70/7 7/5-70/49