Add 18/30 and 15/6
1st number: 18/30, 2nd number: 2 3/6
18/30 + 15/6 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
15/6 = 15 × 5/6 × 5 = 75/30 - Add the two like fractions:
18/30 + 75/30 = 18 + 75/30 = 93/30 - 93/30 simplified gives 31/10
- So, 18/30 + 15/6 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+15/6 18/30+30/6 18/60+15/6 18/30+15/12 54/30+15/6 18/30+45/6 18/90+15/6 18/30+15/18 90/30+15/6 18/30+75/6 18/30+15/30 18/30+15/42