Add 10/28 and 21/6
1st number: 10/28, 2nd number: 3 3/6
10/28 + 21/6 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
10/28 = 10 × 3/28 × 3 = 30/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
21/6 = 21 × 14/6 × 14 = 294/84 - Add the two like fractions:
30/84 + 294/84 = 30 + 294/84 = 324/84 - 324/84 simplified gives 27/7
- So, 10/28 + 21/6 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+21/6 10/28+42/6 10/56+21/6 10/28+21/12 30/28+21/6 10/28+63/6 10/84+21/6 10/28+21/18 50/28+21/6 10/28+21/30 70/28+21/6 10/28+21/42