Add 7/21 and 14/6
1st number: 7/21, 2nd number: 2 2/6
7/21 + 14/6 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
7/21 = 7 × 2/21 × 2 = 14/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
14/6 = 14 × 7/6 × 7 = 98/42 - Add the two like fractions:
14/42 + 98/42 = 14 + 98/42 = 112/42 - 112/42 simplified gives 8/3
- So, 7/21 + 14/6 = 8/3
In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+14/6 7/21+28/6 7/42+14/6 7/21+14/12 7/21+42/6 7/63+14/6 7/21+14/18 35/21+14/6 7/21+70/6 7/21+14/30 49/21+14/6 7/21+98/6 7/21+14/42