Add 2/12 and 14/21
2/12 + 14/21 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Add the two like fractions:
14/84 + 56/84 = 14 + 56/84 = 70/84 - 70/84 simplified gives 5/6
- So, 2/12 + 14/21 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+14/21 2/12+28/21 2/24+14/21 2/12+14/42 6/12+14/21 2/12+42/21 2/36+14/21 2/12+14/63 10/12+14/21 2/12+70/21 2/60+14/21 14/12+14/21 2/12+98/21 2/84+14/21