Add 4/14 and 1/21
4/14 + 1/21 is 1/3.
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,
1/21 = 1 × 2/21 × 2 = 2/42 - Add the two like fractions:
12/42 + 2/42 = 12 + 2/42 = 14/42 - 14/42 simplified gives 1/3
- So, 4/14 + 1/21 = 1/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/14+1/21 4/14+2/21 4/28+1/21 4/14+1/42 12/14+1/21 4/14+3/21 4/42+1/21 4/14+1/63 20/14+1/21 4/14+5/21 4/70+1/21 28/14+1/21 4/14+7/21 4/98+1/21