Subtract 4/5 from 56/18
1st number: 3 2/18, 2nd number: 4/5
56/18 - 4/5 is 104/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
4/5 = 4 × 18/5 × 18 = 72/90 - Subtract the two like fractions:
280/90 - 72/90 = 280 - 72/90 = 208/90 - After reducing the fraction, the answer is 104/45
- In mixed form: 214/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18-8/5 56/36-4/5 56/18-4/10 56/18-12/5 56/54-4/5 56/18-4/15 56/18-20/5 56/90-4/5 56/18-4/25 56/18-28/5 56/18-4/35