Subtract 75/8 from 56/18
1st number: 3 2/18, 2nd number: 9 3/8
56/18 - 75/8 is -451/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
56/18 = 56 × 4/18 × 4 = 224/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
75/8 = 75 × 9/8 × 9 = 675/72 - Subtract the two like fractions:
224/72 - 675/72 = 224 - 675/72 = -451/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36-75/8 56/18-75/16 56/54-75/8 56/18-75/24 56/90-75/8 56/18-75/40 56/18-75/56