Add 18/90 and 6/18
18/90 + 6/18 is 8/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Add the two like fractions:
18/90 + 30/90 = 18 + 30/90 = 48/90 - 48/90 simplified gives 8/15
- So, 18/90 + 6/18 = 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+6/18 18/90+12/18 18/90+6/36 54/90+6/18 18/90+6/54 18/90+30/18 18/90+6/90 18/90+42/18