Subtract 21/56 from 75/9
1st number: 8 3/9, 2nd number: 21/56
75/9 - 21/56 is 191/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
75/9 = 75 × 56/9 × 56 = 4200/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Subtract the two like fractions:
4200/504 - 189/504 = 4200 - 189/504 = 4011/504 - After reducing the fraction, the answer is 191/24
- In mixed form: 723/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/9-42/56 75/18-21/56 75/9-63/56 75/27-21/56 75/45-21/56 75/63-21/56