Subtract 70/7 from 2/5
1st number: 2/5, 2nd number: 10 0/7
2/5 - 70/7 is -48/5.
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,
2/5 = 2 × 7/5 × 7 = 14/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
70/7 = 70 × 5/7 × 5 = 350/35 - Subtract the two like fractions:
14/35 - 350/35 = 14 - 350/35 = -336/35 - After reducing the fraction, the answer is -48/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5-70/7 2/10-70/7 2/5-70/14 6/5-70/7 2/15-70/7 2/5-70/21 10/5-70/7 2/25-70/7 2/5-70/35 14/5-70/7 2/35-70/7 2/5-70/49