Subtract 81/35 from 3/5
1st number: 3/5, 2nd number: 2 11/35
3/5 - 81/35 is -12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
3/5 = 3 × 7/5 × 7 = 21/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
81/35 = 81 × 1/35 × 1 = 81/35 - Subtract the two like fractions:
21/35 - 81/35 = 21 - 81/35 = -60/35 - After reducing the fraction, the answer is -12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5-81/35 3/10-81/35 3/5-81/70 9/5-81/35 3/15-81/35 15/5-81/35 3/25-81/35 21/5-81/35 3/35-81/35