Add 14/18 and 20/7
1st number: 14/18, 2nd number: 2 6/7
14/18 + 20/7 is 229/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
14/18 = 14 × 7/18 × 7 = 98/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
20/7 = 20 × 18/7 × 18 = 360/126 - Add the two like fractions:
98/126 + 360/126 = 98 + 360/126 = 458/126 - 458/126 simplified gives 229/63
- So, 14/18 + 20/7 = 229/63
In mixed form: 340/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18+20/7 14/18+40/7 14/36+20/7 14/18+20/14 42/18+20/7 14/18+60/7 14/54+20/7 14/18+20/21 70/18+20/7 14/90+20/7 14/18+20/35 98/18+20/7 14/18+20/49