Subtract 10/9 from 80/8
1st number: 10 0/8, 2nd number: 1 1/9
80/8 - 10/9 is 80/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
80/8 = 80 × 9/8 × 9 = 720/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
10/9 = 10 × 8/9 × 8 = 80/72 - Subtract the two like fractions:
720/72 - 80/72 = 720 - 80/72 = 640/72 - After reducing the fraction, the answer is 80/9
- In mixed form: 88/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-20/9 80/16-10/9 80/8-10/18 80/8-30/9 80/24-10/9 80/8-10/27 80/8-50/9 80/40-10/9 80/8-10/45 80/8-70/9 80/56-10/9 80/8-10/63