Subtract 14/9 from 40/18
1st number: 2 4/18, 2nd number: 1 5/9
40/18 - 14/9 is 2/3.
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,
14/9 = 14 × 2/9 × 2 = 28/18 - Subtract the two like fractions:
40/18 - 28/18 = 40 - 28/18 = 12/18 - After reducing the fraction, the answer is 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18-14/9 40/18-28/9 40/36-14/9 40/18-14/18 40/18-42/9 40/54-14/9 40/18-14/27 40/18-70/9 40/90-14/9 40/18-14/45 40/18-98/9 40/18-14/63