Add 18/9 and 63/5
1st number: 2 0/9, 2nd number: 12 3/5
18/9 + 63/5 is 73/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
63/5 = 63 × 9/5 × 9 = 567/45 - Add the two like fractions:
90/45 + 567/45 = 90 + 567/45 = 657/45 - 657/45 simplified gives 73/5
- So, 18/9 + 63/5 = 73/5
In mixed form: 143/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/9+63/5 18/9+63/10 54/9+63/5 18/27+63/5 18/9+63/15 90/9+63/5 18/45+63/5 18/9+63/25 18/63+63/5 18/9+63/35