Add 9/27 and 8/18
9/27 + 8/18 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
9/27 = 9 × 2/27 × 2 = 18/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
8/18 = 8 × 3/18 × 3 = 24/54 - Add the two like fractions:
18/54 + 24/54 = 18 + 24/54 = 42/54 - 42/54 simplified gives 7/9
- So, 9/27 + 8/18 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/27+8/18 9/27+16/18 9/54+8/18 9/27+8/36 9/27+24/18 9/81+8/18 9/27+8/54 45/27+8/18 9/27+40/18 9/27+8/90 63/27+8/18 9/27+56/18