Add 18/50 and 84/90
18/50 + 84/90 is 97/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
18/50 = 18 × 9/50 × 9 = 162/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
84/90 = 84 × 5/90 × 5 = 420/450 - Add the two like fractions:
162/450 + 420/450 = 162 + 420/450 = 582/450 - 582/450 simplified gives 97/75
- So, 18/50 + 84/90 = 97/75
In mixed form: 122/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50+84/90 54/50+84/90 90/50+84/90