Subtract 56/63 from 28/9
1st number: 3 1/9, 2nd number: 56/63
28/9 - 56/63 is 20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
28/9 = 28 × 7/9 × 7 = 196/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
56/63 = 56 × 1/63 × 1 = 56/63 - Subtract the two like fractions:
196/63 - 56/63 = 196 - 56/63 = 140/63 - After reducing the fraction, the answer is 20/9
- In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9-56/63 28/18-56/63 84/9-56/63 28/27-56/63 28/45-56/63 28/63-56/63