Subtract 56/45 from 40/18
1st number: 2 4/18, 2nd number: 1 11/45
40/18 - 56/45 is 44/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
56/45 = 56 × 2/45 × 2 = 112/90 - Subtract the two like fractions:
200/90 - 112/90 = 200 - 112/90 = 88/90 - After reducing the fraction, the answer is 44/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18-56/45 40/36-56/45 40/18-56/90 40/54-56/45 40/90-56/45