Add 14/84 and 21/16
1st number: 14/84, 2nd number: 1 5/16
14/84 + 21/16 is 71/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
14/84 = 14 × 4/84 × 4 = 56/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
21/16 = 21 × 21/16 × 21 = 441/336 - Add the two like fractions:
56/336 + 441/336 = 56 + 441/336 = 497/336 - 497/336 simplified gives 71/48
- So, 14/84 + 21/16 = 71/48
In mixed form: 123/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84+21/16 14/84+42/16 14/84+21/32 42/84+21/16 14/84+63/16 14/84+21/48 70/84+21/16 14/84+21/80 98/84+21/16