Subtract 45/6 from 80/9
1st number: 8 8/9, 2nd number: 7 3/6
80/9 - 45/6 is 25/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 6 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
80/9 = 80 × 2/9 × 2 = 160/18 - Likewise, for the 2nd fraction, since 6 × 3 = 18,
45/6 = 45 × 3/6 × 3 = 135/18 - Subtract the two like fractions:
160/18 - 135/18 = 160 - 135/18 = 25/18 - In mixed form: 17/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-90/6 80/18-45/6 80/9-45/12 80/27-45/6 80/9-45/18 80/45-45/6 80/9-45/30 80/63-45/6 80/9-45/42