Add 2/6 and 5/21
2/6 + 5/21 is 4/7.
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,
2/6 = 2 × 7/6 × 7 = 14/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
5/21 = 5 × 2/21 × 2 = 10/42 - Add the two like fractions:
14/42 + 10/42 = 14 + 10/42 = 24/42 - 24/42 simplified gives 4/7
- So, 2/6 + 5/21 = 4/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/6+5/21 2/6+10/21 2/12+5/21 2/6+5/42 2/6+15/21 2/18+5/21 2/6+5/63 10/6+5/21 2/6+25/21 2/30+5/21 14/6+5/21 2/6+35/21 2/42+5/21