Subtract 7/9 from 63/18
1st number: 3 9/18, 2nd number: 7/9
63/18 - 7/9 is 49/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
63/18 = 63 × 1/18 × 1 = 63/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
7/9 = 7 × 2/9 × 2 = 14/18 - Subtract the two like fractions:
63/18 - 14/18 = 63 - 14/18 = 49/18 - In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18-14/9 63/36-7/9 63/18-7/18 63/18-21/9 63/54-7/9 63/18-7/27 63/18-35/9 63/90-7/9 63/18-7/45 63/18-49/9 63/18-7/63