Subtract 18/9 from 63/6
1st number: 10 3/6, 2nd number: 2 0/9
63/6 - 18/9 is 17/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 6 × 3 = 18,
63/6 = 63 × 3/6 × 3 = 189/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
18/9 = 18 × 2/9 × 2 = 36/18 - Subtract the two like fractions:
189/18 - 36/18 = 189 - 36/18 = 153/18 - After reducing the fraction, the answer is 17/2
- In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/6-36/9 63/12-18/9 63/6-54/9 63/18-18/9 63/6-18/27 63/6-90/9 63/30-18/9 63/6-18/45 63/42-18/9 63/6-18/63