Add 5/6 and 84/90
5/6 + 84/90 is 53/30.
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,
5/6 = 5 × 15/6 × 15 = 75/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Add the two like fractions:
75/90 + 84/90 = 75 + 84/90 = 159/90 - 159/90 simplified gives 53/30
- So, 5/6 + 84/90 = 53/30
In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/6+84/90 5/12+84/90 15/6+84/90 5/18+84/90 25/6+84/90 5/30+84/90 35/6+84/90 5/42+84/90