Subtract 4/9 from 40/18
1st number: 2 4/18, 2nd number: 4/9
40/18 - 4/9 is 16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
40/18 = 40 × 1/18 × 1 = 40/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
4/9 = 4 × 2/9 × 2 = 8/18 - Subtract the two like fractions:
40/18 - 8/18 = 40 - 8/18 = 32/18 - After reducing the fraction, the answer is 16/9
- In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18-4/9 40/18-8/9 40/36-4/9 40/18-4/18 40/18-12/9 40/54-4/9 40/18-4/27 40/18-20/9 40/90-4/9 40/18-4/45 40/18-28/9 40/18-4/63