Subtract 7/18 from 63/3
1st number: 21 0/3, 2nd number: 7/18
63/3 - 7/18 is 371/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 3 × 6 = 18,
63/3 = 63 × 6/3 × 6 = 378/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
7/18 = 7 × 1/18 × 1 = 7/18 - Subtract the two like fractions:
378/18 - 7/18 = 378 - 7/18 = 371/18 - In mixed form: 2011/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3-14/18 63/6-7/18 63/3-7/36 63/3-21/18 63/9-7/18 63/3-7/54 63/3-35/18 63/15-7/18 63/3-7/90 63/3-49/18 63/21-7/18