Add 18/30 and 18/6
1st number: 18/30, 2nd number: 3 0/6
18/30 + 18/6 is 18/5.
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,
18/6 = 18 × 5/6 × 5 = 90/30 - Add the two like fractions:
18/30 + 90/30 = 18 + 90/30 = 108/30 - 108/30 simplified gives 18/5
- So, 18/30 + 18/6 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+18/6 18/30+36/6 18/60+18/6 18/30+18/12 54/30+18/6 18/30+54/6 18/90+18/6 90/30+18/6 18/30+90/6 18/30+18/30 18/30+18/42