Add 14/21 and 2/8
14/21 + 2/8 is 11/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
14/21 = 14 × 8/21 × 8 = 112/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
2/8 = 2 × 21/8 × 21 = 42/168 - Add the two like fractions:
112/168 + 42/168 = 112 + 42/168 = 154/168 - 154/168 simplified gives 11/12
- So, 14/21 + 2/8 = 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+2/8 14/21+4/8 14/42+2/8 14/21+2/16 42/21+2/8 14/21+6/8 14/63+2/8 14/21+2/24 70/21+2/8 14/21+10/8 14/21+2/40 98/21+2/8 14/21+14/8 14/21+2/56