Subtract 8/9 from 1/3
13 - 89 is -59.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
13 = 1 × 33 × 3 = 39 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
89 = 8 × 19 × 1 = 89 - Subtract the two like fractions:
39 - 89 = 3 - 89 = -59
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-8/9 1/3-16/9 1/6-8/9 1/3-8/18 1/3-24/9 1/9-8/9 1/3-8/27 5/3-8/9 1/3-40/9 1/15-8/9 1/3-8/45 7/3-8/9 1/3-56/9 1/21-8/9 1/3-8/63