Add 18/3 and 84/15
1st number: 6 0/3, 2nd number: 5 9/15
18/3 + 84/15 is 58/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
18/3 = 18 × 5/3 × 5 = 90/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
84/15 = 84 × 1/15 × 1 = 84/15 - Add the two like fractions:
90/15 + 84/15 = 90 + 84/15 = 174/15 - 174/15 simplified gives 58/5
- So, 18/3 + 84/15 = 58/5
In mixed form: 113/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+84/15 18/6+84/15 18/3+84/30 54/3+84/15 18/9+84/15 18/3+84/45 90/3+84/15 18/15+84/15 18/3+84/75 18/21+84/15