Add 18/3 and 98/90
1st number: 6 0/3, 2nd number: 1 8/90
18/3 + 98/90 is 319/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
18/3 = 18 × 30/3 × 30 = 540/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Add the two like fractions:
540/90 + 98/90 = 540 + 98/90 = 638/90 - 638/90 simplified gives 319/45
- So, 18/3 + 98/90 = 319/45
In mixed form: 74/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3+98/90 18/6+98/90 54/3+98/90 18/9+98/90 90/3+98/90 18/15+98/90 18/21+98/90