Add 20/14 and 70/28
1st number: 1 6/14, 2nd number: 2 14/28
20/14 + 70/28 is 55/14.
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,
20/14 = 20 × 2/14 × 2 = 40/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
70/28 = 70 × 1/28 × 1 = 70/28 - Add the two like fractions:
40/28 + 70/28 = 40 + 70/28 = 110/28 - 110/28 simplified gives 55/14
- So, 20/14 + 70/28 = 55/14
In mixed form: 313/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+70/28 20/28+70/28 20/14+70/56 60/14+70/28 20/42+70/28 20/14+70/84 20/70+70/28 20/98+70/28