Add 4/28 and 21/14
1st number: 4/28, 2nd number: 1 7/14
4/28 + 21/14 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
4/28 = 4 × 1/28 × 1 = 4/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
21/14 = 21 × 2/14 × 2 = 42/28 - Add the two like fractions:
4/28 + 42/28 = 4 + 42/28 = 46/28 - 46/28 simplified gives 23/14
- So, 4/28 + 21/14 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28+21/14 4/28+42/14 4/56+21/14 4/28+21/28 12/28+21/14 4/28+63/14 4/84+21/14 4/28+21/42 20/28+21/14 4/28+21/70 4/28+21/98