Add 30/2 and 80/18
1st number: 15 0/2, 2nd number: 4 8/18
30/2 + 80/18 is 175/9.
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,
30/2 = 30 × 9/2 × 9 = 270/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
80/18 = 80 × 1/18 × 1 = 80/18 - Add the two like fractions:
270/18 + 80/18 = 270 + 80/18 = 350/18 - 350/18 simplified gives 175/9
- So, 30/2 + 80/18 = 175/9
In mixed form: 194/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+80/18 30/4+80/18 30/2+80/36 90/2+80/18 30/6+80/18 30/2+80/54 30/10+80/18 30/2+80/90 30/14+80/18