Add 80/5 and 63/18
1st number: 16 0/5, 2nd number: 3 9/18
80/5 + 63/18 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
80/5 = 80 × 18/5 × 18 = 1440/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Add the two like fractions:
1440/90 + 315/90 = 1440 + 315/90 = 1755/90 - 1755/90 simplified gives 39/2
- So, 80/5 + 63/18 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+63/18 80/5+63/36 80/15+63/18 80/5+63/54 80/25+63/18 80/5+63/90 80/35+63/18