Add 27/14 and 35/21
1st number: 1 13/14, 2nd number: 1 14/21
27/14 + 35/21 is 151/42.
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,
27/14 = 27 × 3/14 × 3 = 81/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
35/21 = 35 × 2/21 × 2 = 70/42 - Add the two like fractions:
81/42 + 70/42 = 81 + 70/42 = 151/42 - So, 27/14 + 35/21 = 151/42
In mixed form: 325/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+35/21 27/14+70/21 27/28+35/21 27/14+35/42 81/14+35/21 27/42+35/21 27/14+35/63 27/70+35/21 27/98+35/21