Subtract 8/10 from 80/9
1st number: 8 8/9, 2nd number: 8/10
80/9 - 8/10 is 364/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
80/9 = 80 × 10/9 × 10 = 800/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Subtract the two like fractions:
800/90 - 72/90 = 800 - 72/90 = 728/90 - After reducing the fraction, the answer is 364/45
- In mixed form: 84/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-16/10 80/18-8/10 80/9-8/20 80/9-24/10 80/27-8/10 80/9-8/30 80/9-40/10 80/45-8/10 80/9-8/50 80/9-56/10 80/63-8/10 80/9-8/70