Add 7/14 and 20/28
7/14 + 20/28 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
7/14 = 7 × 2/14 × 2 = 14/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Add the two like fractions:
14/28 + 20/28 = 14 + 20/28 = 34/28 - 34/28 simplified gives 17/14
- So, 7/14 + 20/28 = 17/14
In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14+40/28 7/28+20/28 7/14+20/56 21/14+20/28 7/14+60/28 7/42+20/28 7/14+20/84 35/14+20/28 7/70+20/28 49/14+20/28 7/98+20/28