Subtract 8/5 from 27/9
1st number: 3 0/9, 2nd number: 1 3/5
27/9 - 8/5 is 7/5.
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,
27/9 = 27 × 5/9 × 5 = 135/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
8/5 = 8 × 9/5 × 9 = 72/45 - Subtract the two like fractions:
135/45 - 72/45 = 135 - 72/45 = 63/45 - After reducing the fraction, the answer is 7/5
- In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-8/5 27/9-16/5 27/18-8/5 27/9-8/10 81/9-8/5 27/9-24/5 27/9-8/15 27/9-40/5 27/45-8/5 27/9-8/25 27/9-56/5 27/63-8/5 27/9-8/35