Add 1/6 and 8/21
1/6 + 8/21 is 23/42.
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,
8/21 = 8 × 2/21 × 2 = 16/42 - Add the two like fractions:
7/42 + 16/42 = 7 + 16/42 = 23/42 - So, 1/6 + 8/21 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/6+8/21 1/6+16/21 1/12+8/21 1/6+8/42 3/6+8/21 1/6+24/21 1/18+8/21 1/6+8/63 5/6+8/21 1/6+40/21 1/30+8/21 7/6+8/21 1/6+56/21 1/42+8/21