Subtract 18/9 from 1/3
1st number: 1/3, 2nd number: 2 0/9
1/3 - 18/9 is -5/3.
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,
1/3 = 1 × 3/3 × 3 = 3/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
18/9 = 18 × 1/9 × 1 = 18/9 - Subtract the two like fractions:
3/9 - 18/9 = 3 - 18/9 = -15/9 - After reducing the fraction, the answer is -5/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3-18/9 1/3-36/9 1/6-18/9 1/3-54/9 1/9-18/9 1/3-18/27 5/3-18/9 1/3-90/9 1/15-18/9 1/3-18/45 7/3-18/9 1/21-18/9 1/3-18/63