Add 6/27 and 21/90
6/27 + 21/90 is 41/90.
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,
6/27 = 6 × 10/27 × 10 = 60/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
21/90 = 21 × 3/90 × 3 = 63/270 - Add the two like fractions:
60/270 + 63/270 = 60 + 63/270 = 123/270 - 123/270 simplified gives 41/90
- So, 6/27 + 21/90 = 41/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/27+21/90 6/27+42/90 6/54+21/90 18/27+21/90 6/27+63/90 6/81+21/90 30/27+21/90 42/27+21/90