Subtract 70/9 from 9/63
1st number: 9/63, 2nd number: 7 7/9
9/63 - 70/9 is -481/63.
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,
70/9 = 70 × 7/9 × 7 = 490/63 - Subtract the two like fractions:
9/63 - 490/63 = 9 - 490/63 = -481/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-70/9 9/63-70/18 27/63-70/9 9/63-70/27 45/63-70/9 9/63-70/45 9/63-70/63