Add 8/18 and 63/9
1st number: 8/18, 2nd number: 7 0/9
8/18 + 63/9 is 67/9.
Steps for adding 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,
8/18 = 8 × 1/18 × 1 = 8/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
63/9 = 63 × 2/9 × 2 = 126/18 - Add the two like fractions:
8/18 + 126/18 = 8 + 126/18 = 134/18 - 134/18 simplified gives 67/9
- So, 8/18 + 63/9 = 67/9
In mixed form: 74/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/18+63/9 8/36+63/9 8/18+63/18 24/18+63/9 8/54+63/9 8/18+63/27 40/18+63/9 8/90+63/9 8/18+63/45 56/18+63/9