Subtract 80/10 from 8/9
1st number: 8/9, 2nd number: 8 0/10
8/9 - 80/10 is -64/9.
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,
8/9 = 8 × 10/9 × 10 = 80/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Subtract the two like fractions:
80/90 - 720/90 = 80 - 720/90 = -640/90 - After reducing the fraction, the answer is -64/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/9-80/10 8/18-80/10 8/9-80/20 24/9-80/10 8/27-80/10 8/9-80/30 40/9-80/10 8/45-80/10 8/9-80/50 56/9-80/10 8/63-80/10 8/9-80/70