Add 4/14 and 27/21
1st number: 4/14, 2nd number: 1 6/21
4/14 + 27/21 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
4/14 = 4 × 3/14 × 3 = 12/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
27/21 = 27 × 2/21 × 2 = 54/42 - Add the two like fractions:
12/42 + 54/42 = 12 + 54/42 = 66/42 - 66/42 simplified gives 11/7
- So, 4/14 + 27/21 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/14+27/21 4/14+54/21 4/28+27/21 4/14+27/42 12/14+27/21 4/14+81/21 4/42+27/21 4/14+27/63 20/14+27/21 4/70+27/21 28/14+27/21 4/98+27/21