Subtract 5/7 from 81/35
1st number: 2 11/35, 2nd number: 5/7
81/35 - 5/7 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
81/35 = 81 × 1/35 × 1 = 81/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
5/7 = 5 × 5/7 × 5 = 25/35 - Subtract the two like fractions:
81/35 - 25/35 = 81 - 25/35 = 56/35 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35-10/7 81/70-5/7 81/35-5/14 81/35-15/7 81/35-5/21 81/35-25/7 81/35-5/35 81/35-35/7 81/35-5/49