Add 1/3 and 81/90
1/3 + 81/90 is 37/30.
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,
1/3 = 1 × 30/3 × 30 = 30/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
30/90 + 81/90 = 30 + 81/90 = 111/90 - 111/90 simplified gives 37/30
- So, 1/3 + 81/90 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+81/90 1/6+81/90 1/9+81/90 5/3+81/90 1/15+81/90 7/3+81/90 1/21+81/90