Add 63/3 and 40/18
1st number: 21 0/3, 2nd number: 2 4/18
63/3 + 40/18 is 209/9.
Steps for adding 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,
40/18 = 40 × 1/18 × 1 = 40/18 - Add the two like fractions:
378/18 + 40/18 = 378 + 40/18 = 418/18 - 418/18 simplified gives 209/9
- So, 63/3 + 40/18 = 209/9
In mixed form: 232/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3+80/18 63/6+40/18 63/3+40/36 63/9+40/18 63/3+40/54 63/15+40/18 63/3+40/90 63/21+40/18