Subtract 5/70 from 80/7
1st number: 11 3/7, 2nd number: 5/70
80/7 - 5/70 is 159/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
80/7 = 80 × 10/7 × 10 = 800/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70 - Subtract the two like fractions:
800/70 - 5/70 = 800 - 5/70 = 795/70 - After reducing the fraction, the answer is 159/14
- In mixed form: 115/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7-10/70 80/14-5/70 80/7-15/70 80/21-5/70 80/7-25/70 80/35-5/70 80/7-35/70 80/49-5/70