Add 20/27 and 9/90
20/27 + 9/90 is 227/270.
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,
20/27 = 20 × 10/27 × 10 = 200/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
9/90 = 9 × 3/90 × 3 = 27/270 - Add the two like fractions:
200/270 + 27/270 = 200 + 27/270 = 227/270 - So, 20/27 + 9/90 = 227/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+9/90 20/27+18/90 20/54+9/90 60/27+9/90 20/27+27/90 20/81+9/90 20/27+45/90 20/27+63/90