Subtract 8/15 from 80/9
1st number: 8 8/9, 2nd number: 8/15
80/9 - 8/15 is 376/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
8/15 = 8 × 3/15 × 3 = 24/45 - Subtract the two like fractions:
400/45 - 24/45 = 400 - 24/45 = 376/45 - In mixed form: 816/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-16/15 80/18-8/15 80/9-8/30 80/9-24/15 80/27-8/15 80/9-8/45 80/9-40/15 80/45-8/15 80/9-8/75 80/9-56/15 80/63-8/15