Add 90/18 and 40/3
1st number: 5 0/18, 2nd number: 13 1/3
90/18 + 40/3 is 55/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
90/18 = 90 × 1/18 × 1 = 90/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
40/3 = 40 × 6/3 × 6 = 240/18 - Add the two like fractions:
90/18 + 240/18 = 90 + 240/18 = 330/18 - 330/18 simplified gives 55/3
- So, 90/18 + 40/3 = 55/3
In mixed form: 181/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+80/3 90/36+40/3 90/18+40/6 90/54+40/3 90/18+40/9 90/18+40/15 90/18+40/21