Subtract 81/5 from 35/9
1st number: 3 8/9, 2nd number: 16 1/5
35/9 - 81/5 is -554/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
35/9 = 35 × 5/9 × 5 = 175/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
81/5 = 81 × 9/5 × 9 = 729/45 - Subtract the two like fractions:
175/45 - 729/45 = 175 - 729/45 = -554/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/9-81/5 35/18-81/5 35/9-81/10 35/27-81/5 35/9-81/15 35/45-81/5 35/9-81/25 35/63-81/5 35/9-81/35