Subtract 10/18 from 1/9
1/9 - 10/18 is -4/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
1/9 = 1 × 2/9 × 2 = 2/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
10/18 = 10 × 1/18 × 1 = 10/18 - Subtract the two like fractions:
2/18 - 10/18 = 2 - 10/18 = -8/18 - After reducing the fraction, the answer is -4/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9-10/18 1/9-20/18 1/18-10/18 1/9-10/36 3/9-10/18 1/9-30/18 1/27-10/18 1/9-10/54 5/9-10/18 1/9-50/18 1/45-10/18 1/9-10/90 7/9-10/18 1/9-70/18 1/63-10/18