Add 63/5 and 18/9
1st number: 12 3/5, 2nd number: 2 0/9
63/5 + 18/9 is 73/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
63/5 = 63 × 9/5 × 9 = 567/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Add the two like fractions:
567/45 + 90/45 = 567 + 90/45 = 657/45 - 657/45 simplified gives 73/5
- So, 63/5 + 18/9 = 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: 63/5+36/9 63/10+18/9 63/5+54/9 63/15+18/9 63/5+18/27 63/5+90/9 63/25+18/9 63/5+18/45 63/35+18/9 63/5+18/63