Add 20/14 and 28/9
1st number: 1 6/14, 2nd number: 3 1/9
20/14 + 28/9 is 286/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 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 9 × 14 = 126,
28/9 = 28 × 14/9 × 14 = 392/126 - Add the two like fractions:
180/126 + 392/126 = 180 + 392/126 = 572/126 - 572/126 simplified gives 286/63
- So, 20/14 + 28/9 = 286/63
In mixed form: 434/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+28/9 20/14+56/9 20/28+28/9 20/14+28/18 60/14+28/9 20/14+84/9 20/42+28/9 20/14+28/27 20/70+28/9 20/14+28/45 20/98+28/9 20/14+28/63