Subtract 28/9 from 9/63
1st number: 9/63, 2nd number: 3 1/9
9/63 - 28/9 is -187/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
9/63 = 9 × 1/63 × 1 = 9/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
28/9 = 28 × 7/9 × 7 = 196/63 - Subtract the two like fractions:
9/63 - 196/63 = 9 - 196/63 = -187/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-28/9 9/63-56/9 9/63-28/18 27/63-28/9 9/63-84/9 9/63-28/27 45/63-28/9 9/63-28/45 9/63-28/63