Subtract 28/72 from 56/8
1st number: 7 0/8, 2nd number: 28/72
56/8 - 28/72 is 119/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
56/8 = 56 × 9/8 × 9 = 504/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Subtract the two like fractions:
504/72 - 28/72 = 504 - 28/72 = 476/72 - After reducing the fraction, the answer is 119/18
- In mixed form: 611/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8-56/72 56/16-28/72 56/8-84/72 56/24-28/72 56/40-28/72