Subtract 42/56 from 28/9
1st number: 3 1/9, 2nd number: 42/56
28/9 - 42/56 is 85/36.
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,
28/9 = 28 × 56/9 × 56 = 1568/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Subtract the two like fractions:
1568/504 - 378/504 = 1568 - 378/504 = 1190/504 - After reducing the fraction, the answer is 85/36
- In mixed form: 213/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-42/56 28/9-84/56 28/18-42/56 84/9-42/56 28/27-42/56 28/45-42/56 28/63-42/56