Add 1/6 and 80/21
1st number: 1/6, 2nd number: 3 17/21
1/6 + 80/21 is 167/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
1/6 = 1 × 7/6 × 7 = 7/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
80/21 = 80 × 2/21 × 2 = 160/42 - Add the two like fractions:
7/42 + 160/42 = 7 + 160/42 = 167/42 - So, 1/6 + 80/21 = 167/42
In mixed form: 341/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6+80/21 1/12+80/21 1/6+80/42 3/6+80/21 1/18+80/21 1/6+80/63 5/6+80/21 1/30+80/21 7/6+80/21 1/42+80/21