Add 1/2 and 80/18
1st number: 1/2, 2nd number: 4 8/18
1/2 + 80/18 is 89/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
1/2 = 1 × 9/2 × 9 = 9/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Add the two like fractions:
9/18 + 80/18 = 9 + 80/18 = 89/18 - So, 1/2 + 80/18 = 89/18
In mixed form: 417/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/4+80/18 1/2+80/36 3/2+80/18 1/6+80/18 1/2+80/54 5/2+80/18 1/10+80/18 1/2+80/90 7/2+80/18 1/14+80/18