Add 18/6 and 28/90
1st number: 3 0/6, 2nd number: 28/90
18/6 + 28/90 is 149/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
18/6 = 18 × 15/6 × 15 = 270/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
270/90 + 28/90 = 270 + 28/90 = 298/90 - 298/90 simplified gives 149/45
- So, 18/6 + 28/90 = 149/45
In mixed form: 314/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+28/90 18/6+56/90 18/12+28/90 54/6+28/90 18/6+84/90 90/6+28/90 18/30+28/90 18/42+28/90