Add 18/6 and 30/15
1st number: 3 0/6, 2nd number: 2 0/15
18/6 + 30/15 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
18/6 = 18 × 5/6 × 5 = 90/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
30/15 = 30 × 2/15 × 2 = 60/30 - Add the two like fractions:
90/30 + 60/30 = 90 + 60/30 = 150/30 - 150/30 simplified gives 5/1
- So, 18/6 + 30/15 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+30/15 18/6+60/15 18/12+30/15 54/6+30/15 18/6+90/15 18/6+30/45 90/6+30/15 18/30+30/15 18/6+30/75 18/42+30/15