Add 30/6 and 80/15
1st number: 5 0/6, 2nd number: 5 5/15
30/6 + 80/15 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
30/6 = 30 × 5/6 × 5 = 150/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
80/15 = 80 × 2/15 × 2 = 160/30 - Add the two like fractions:
150/30 + 160/30 = 150 + 160/30 = 310/30 - 310/30 simplified gives 31/3
- So, 30/6 + 80/15 = 31/3
In mixed form: 101/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/6+80/15 30/12+80/15 30/6+80/30 90/6+80/15 30/18+80/15 30/6+80/45 30/6+80/75 30/42+80/15