Add 3/90 and 6/18
3/90 + 6/18 is 11/30.
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,
3/90 = 3 × 1/90 × 1 = 3/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Add the two like fractions:
3/90 + 30/90 = 3 + 30/90 = 33/90 - 33/90 simplified gives 11/30
- So, 3/90 + 6/18 = 11/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+6/18 3/90+12/18 3/90+6/36 9/90+6/18 3/90+6/54 15/90+6/18 3/90+30/18 3/90+6/90 21/90+6/18 3/90+42/18