Add 14/21 and 20/16
1st number: 14/21, 2nd number: 1 4/16
14/21 + 20/16 is 23/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
14/21 = 14 × 16/21 × 16 = 224/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Add the two like fractions:
224/336 + 420/336 = 224 + 420/336 = 644/336 - 644/336 simplified gives 23/12
- So, 14/21 + 20/16 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+20/16 14/21+40/16 14/42+20/16 14/21+20/32 42/21+20/16 14/21+60/16 14/63+20/16 14/21+20/48 70/21+20/16 14/21+20/80 98/21+20/16