Add 6/18 and 40/30
1st number: 6/18, 2nd number: 1 10/30
6/18 + 40/30 is 5/3.
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,
6/18 = 6 × 5/18 × 5 = 30/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
40/30 = 40 × 3/30 × 3 = 120/90 - Add the two like fractions:
30/90 + 120/90 = 30 + 120/90 = 150/90 - 150/90 simplified gives 5/3
- So, 6/18 + 40/30 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/18+40/30 6/18+80/30 6/36+40/30 6/18+40/60 6/54+40/30 6/18+40/90 30/18+40/30 6/90+40/30 42/18+40/30