Add 56/5 and 80/18
1st number: 11 1/5, 2nd number: 4 8/18
56/5 + 80/18 is 704/45.
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,
56/5 = 56 × 18/5 × 18 = 1008/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Add the two like fractions:
1008/90 + 400/90 = 1008 + 400/90 = 1408/90 - 1408/90 simplified gives 704/45
- So, 56/5 + 80/18 = 704/45
In mixed form: 1529/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+80/18 56/5+80/36 56/15+80/18 56/5+80/54 56/25+80/18 56/5+80/90 56/35+80/18