Add 14/18 and 20/30
14/18 + 20/30 is 13/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
14/18 = 14 × 5/18 × 5 = 70/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
20/30 = 20 × 3/30 × 3 = 60/90 - Add the two like fractions:
70/90 + 60/90 = 70 + 60/90 = 130/90 - 130/90 simplified gives 13/9
- So, 14/18 + 20/30 = 13/9
In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18+20/30 14/18+40/30 14/36+20/30 14/18+20/60 42/18+20/30 14/18+60/30 14/54+20/30 14/18+20/90 70/18+20/30 14/90+20/30 98/18+20/30