Add 15/18 and 30/5
1st number: 15/18, 2nd number: 6 0/5
15/18 + 30/5 is 41/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
30/5 = 30 × 18/5 × 18 = 540/90 - Add the two like fractions:
75/90 + 540/90 = 75 + 540/90 = 615/90 - 615/90 simplified gives 41/6
- So, 15/18 + 30/5 = 41/6
In mixed form: 65/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+30/5 15/18+60/5 15/36+30/5 15/18+30/10 45/18+30/5 15/18+90/5 15/54+30/5 15/18+30/15 75/18+30/5 15/90+30/5 15/18+30/25 15/18+30/35