Add 8/27 and 81/90
8/27 + 81/90 is 323/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
8/27 = 8 × 10/27 × 10 = 80/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
81/90 = 81 × 3/90 × 3 = 243/270 - Add the two like fractions:
80/270 + 243/270 = 80 + 243/270 = 323/270 - So, 8/27 + 81/90 = 323/270
In mixed form: 153/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/27+81/90 8/54+81/90 24/27+81/90 8/81+81/90 40/27+81/90 56/27+81/90