Add 14/84 and 6/21
14/84 + 6/21 is 19/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
14/84 = 14 × 1/84 × 1 = 14/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
6/21 = 6 × 4/21 × 4 = 24/84 - Add the two like fractions:
14/84 + 24/84 = 14 + 24/84 = 38/84 - 38/84 simplified gives 19/42
- So, 14/84 + 6/21 = 19/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84+6/21 14/84+12/21 14/84+6/42 42/84+6/21 14/84+18/21 14/84+6/63 70/84+6/21 14/84+30/21 98/84+6/21 14/84+42/21