Subtract 1/9 from 8/10
8/10 - 1/9 is 31/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
1/9 = 1 × 10/9 × 10 = 10/90 - Subtract the two like fractions:
72/90 - 10/90 = 72 - 10/90 = 62/90 - After reducing the fraction, the answer is 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-1/9 8/10-2/9 8/20-1/9 8/10-1/18 24/10-1/9 8/10-3/9 8/30-1/9 8/10-1/27 40/10-1/9 8/10-5/9 8/50-1/9 8/10-1/45 56/10-1/9 8/10-7/9 8/70-1/9 8/10-1/63