Subtract 81/10 from 5/35
1st number: 5/35, 2nd number: 8 1/10
5/35 - 81/10 is -557/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
5/35 = 5 × 2/35 × 2 = 10/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Subtract the two like fractions:
10/70 - 567/70 = 10 - 567/70 = -557/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/35-81/10 5/70-81/10 5/35-81/20 15/35-81/10 5/35-81/30 25/35-81/10 5/35-81/50 5/35-81/70