Subtract 40/9 from 56/3
1st number: 18 2/3, 2nd number: 4 4/9
56/3 - 40/9 is 128/9.
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,
56/3 = 56 × 3/3 × 3 = 168/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
40/9 = 40 × 1/9 × 1 = 40/9 - Subtract the two like fractions:
168/9 - 40/9 = 168 - 40/9 = 128/9 - In mixed form: 142/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-80/9 56/6-40/9 56/3-40/18 56/9-40/9 56/3-40/27 56/15-40/9 56/3-40/45 56/21-40/9 56/3-40/63