Add 4/28 and 21/6
1st number: 4/28, 2nd number: 3 3/6
4/28 + 21/6 is 51/14.
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,
4/28 = 4 × 3/28 × 3 = 12/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
21/6 = 21 × 14/6 × 14 = 294/84 - Add the two like fractions:
12/84 + 294/84 = 12 + 294/84 = 306/84 - 306/84 simplified gives 51/14
- So, 4/28 + 21/6 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+21/6 4/28+42/6 4/56+21/6 4/28+21/12 12/28+21/6 4/28+63/6 4/84+21/6 4/28+21/18 20/28+21/6 4/28+21/30 4/28+21/42