Subtract 81/35 from 4/5
1st number: 4/5, 2nd number: 2 11/35
4/5 - 81/35 is -53/35.
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,
4/5 = 4 × 7/5 × 7 = 28/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
81/35 = 81 × 1/35 × 1 = 81/35 - Subtract the two like fractions:
28/35 - 81/35 = 28 - 81/35 = -53/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5-81/35 4/10-81/35 4/5-81/70 12/5-81/35 4/15-81/35 20/5-81/35 4/25-81/35 28/5-81/35 4/35-81/35