Add 20/14 and 14/18
1st number: 1 6/14, 2nd number: 14/18
20/14 + 14/18 is 139/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
14/18 = 14 × 7/18 × 7 = 98/126 - Add the two like fractions:
180/126 + 98/126 = 180 + 98/126 = 278/126 - 278/126 simplified gives 139/63
- So, 20/14 + 14/18 = 139/63
In mixed form: 213/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+14/18 20/14+28/18 20/28+14/18 20/14+14/36 60/14+14/18 20/14+42/18 20/42+14/18 20/14+14/54 20/14+70/18 20/70+14/18 20/14+14/90 20/14+98/18 20/98+14/18