Subtract 10/18 from 40/3
1st number: 13 1/3, 2nd number: 10/18
40/3 - 10/18 is 115/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
40/3 = 40 × 6/3 × 6 = 240/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
10/18 = 10 × 1/18 × 1 = 10/18 - Subtract the two like fractions:
240/18 - 10/18 = 240 - 10/18 = 230/18 - After reducing the fraction, the answer is 115/9
- In mixed form: 127/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-10/18 40/3-20/18 40/6-10/18 40/3-10/36 40/3-30/18 40/9-10/18 40/3-10/54 40/3-50/18 40/15-10/18 40/3-10/90 40/3-70/18 40/21-10/18