Add 2/3 and 27/90
2/3 + 27/90 is 29/30.
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,
2/3 = 2 × 30/3 × 30 = 60/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Add the two like fractions:
60/90 + 27/90 = 60 + 27/90 = 87/90 - 87/90 simplified gives 29/30
- So, 2/3 + 27/90 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3+27/90 2/3+54/90 2/6+27/90 6/3+27/90 2/3+81/90 2/9+27/90 10/3+27/90 2/15+27/90 14/3+27/90 2/21+27/90