Add 18/6 and 54/15
1st number: 3 0/6, 2nd number: 3 9/15
18/6 + 54/15 is 33/5.
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,
54/15 = 54 × 2/15 × 2 = 108/30 - Add the two like fractions:
90/30 + 108/30 = 90 + 108/30 = 198/30 - 198/30 simplified gives 33/5
- So, 18/6 + 54/15 = 33/5
In mixed form: 63/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+54/15 18/12+54/15 18/6+54/30 54/6+54/15 18/6+54/45 90/6+54/15 18/30+54/15 18/6+54/75 18/42+54/15