Add 5/3 and 81/90
1st number: 1 2/3, 2nd number: 81/90
5/3 + 81/90 is 77/30.
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,
5/3 = 5 × 30/3 × 30 = 150/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
150/90 + 81/90 = 150 + 81/90 = 231/90 - 231/90 simplified gives 77/30
- So, 5/3 + 81/90 = 77/30
In mixed form: 217/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/3+81/90 5/6+81/90 15/3+81/90 5/9+81/90 25/3+81/90 5/15+81/90 35/3+81/90 5/21+81/90