Add 18/3 and 63/8
1st number: 6 0/3, 2nd number: 7 7/8
18/3 + 63/8 is 111/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
18/3 = 18 × 8/3 × 8 = 144/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
63/8 = 63 × 3/8 × 3 = 189/24 - Add the two like fractions:
144/24 + 189/24 = 144 + 189/24 = 333/24 - 333/24 simplified gives 111/8
- So, 18/3 + 63/8 = 111/8
In mixed form: 137/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+63/8 18/6+63/8 18/3+63/16 54/3+63/8 18/9+63/8 18/3+63/24 90/3+63/8 18/15+63/8 18/3+63/40 18/21+63/8 18/3+63/56