Add 3/18 and 84/30
1st number: 3/18, 2nd number: 2 24/30
3/18 + 84/30 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
84/30 = 84 × 3/30 × 3 = 252/90 - Add the two like fractions:
15/90 + 252/90 = 15 + 252/90 = 267/90 - 267/90 simplified gives 89/30
- So, 3/18 + 84/30 = 89/30
In mixed form: 229/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+84/30 3/36+84/30 3/18+84/60 9/18+84/30 3/54+84/30 3/18+84/90 15/18+84/30 3/90+84/30 21/18+84/30