Subtract 3/5 from 81/9
1st number: 9 0/9, 2nd number: 3/5
81/9 - 3/5 is 42/5.
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,
81/9 = 81 × 5/9 × 5 = 405/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
3/5 = 3 × 9/5 × 9 = 27/45 - Subtract the two like fractions:
405/45 - 27/45 = 405 - 27/45 = 378/45 - After reducing the fraction, the answer is 42/5
- In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/9-6/5 81/18-3/5 81/9-3/10 81/9-9/5 81/27-3/5 81/9-3/15 81/9-15/5 81/45-3/5 81/9-3/25 81/9-21/5 81/63-3/5 81/9-3/35