Subtract 7/5 from 7/70
1st number: 7/70, 2nd number: 1 2/5
7/70 - 7/5 is -13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
7/70 = 7 × 1/70 × 1 = 7/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
7/5 = 7 × 14/5 × 14 = 98/70 - Subtract the two like fractions:
7/70 - 98/70 = 7 - 98/70 = -91/70 - After reducing the fraction, the answer is -13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70-7/5 7/70-14/5 7/70-7/10 21/70-7/5 7/70-21/5 7/70-7/15 35/70-7/5 7/70-35/5 7/70-7/25 49/70-7/5 7/70-49/5 7/70-7/35