Subtract 21/9 from 63/3
1st number: 21 0/3, 2nd number: 2 3/9
63/3 - 21/9 is 56/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
63/3 = 63 × 3/3 × 3 = 189/9 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
21/9 = 21 × 1/9 × 1 = 21/9 - Subtract the two like fractions:
189/9 - 21/9 = 189 - 21/9 = 168/9 - After reducing the fraction, the answer is 56/3
- In mixed form: 182/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3-42/9 63/6-21/9 63/3-21/18 63/3-63/9 63/9-21/9 63/3-21/27 63/15-21/9 63/3-21/45 63/21-21/9 63/3-21/63