Add 18/15 and 84/10
1st number: 1 3/15, 2nd number: 8 4/10
18/15 + 84/10 is 48/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
18/15 = 18 × 2/15 × 2 = 36/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
84/10 = 84 × 3/10 × 3 = 252/30 - Add the two like fractions:
36/30 + 252/30 = 36 + 252/30 = 288/30 - 288/30 simplified gives 48/5
- So, 18/15 + 84/10 = 48/5
In mixed form: 93/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/15+84/10 18/30+84/10 18/15+84/20 54/15+84/10 18/45+84/10 18/15+84/30 90/15+84/10 18/75+84/10 18/15+84/50 18/15+84/70