Add 80/21 and 2/6
1st number: 3 17/21, 2nd number: 2/6
80/21 + 2/6 is 29/7.
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,
80/21 = 80 × 2/21 × 2 = 160/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
2/6 = 2 × 7/6 × 7 = 14/42 - Add the two like fractions:
160/42 + 14/42 = 160 + 14/42 = 174/42 - 174/42 simplified gives 29/7
- So, 80/21 + 2/6 = 29/7
In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21+4/6 80/42+2/6 80/21+2/12 80/63+2/6 80/21+2/18 80/21+10/6 80/21+2/30 80/21+14/6 80/21+2/42