Add 20/14 and 56/15
1st number: 1 6/14, 2nd number: 3 11/15
20/14 + 56/15 is 542/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
56/15 = 56 × 14/15 × 14 = 784/210 - Add the two like fractions:
300/210 + 784/210 = 300 + 784/210 = 1084/210 - 1084/210 simplified gives 542/105
- So, 20/14 + 56/15 = 542/105
In mixed form: 517/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/14+56/15 20/28+56/15 20/14+56/30 60/14+56/15 20/42+56/15 20/14+56/45 20/70+56/15 20/14+56/75 20/98+56/15