Add 8/14 and 28/20
1st number: 8/14, 2nd number: 1 8/20
8/14 + 28/20 is 69/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
8/14 = 8 × 10/14 × 10 = 80/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
28/20 = 28 × 7/20 × 7 = 196/140 - Add the two like fractions:
80/140 + 196/140 = 80 + 196/140 = 276/140 - 276/140 simplified gives 69/35
- So, 8/14 + 28/20 = 69/35
In mixed form: 134/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+28/20 8/14+56/20 8/28+28/20 8/14+28/40 24/14+28/20 8/14+84/20 8/42+28/20 8/14+28/60 40/14+28/20 8/70+28/20 56/14+28/20 8/98+28/20