Add 2/27 and 15/90
2/27 + 15/90 is 13/54.
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,
2/27 = 2 × 10/27 × 10 = 20/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
15/90 = 15 × 3/90 × 3 = 45/270 - Add the two like fractions:
20/270 + 45/270 = 20 + 45/270 = 65/270 - 65/270 simplified gives 13/54
- So, 2/27 + 15/90 = 13/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/27+15/90 2/27+30/90 2/54+15/90 6/27+15/90 2/27+45/90 2/81+15/90 10/27+15/90 2/27+75/90 14/27+15/90