Add 20/21 and 1/16
20/21 + 1/16 is 341/336.
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,
20/21 = 20 × 16/21 × 16 = 320/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
1/16 = 1 × 21/16 × 21 = 21/336 - Add the two like fractions:
320/336 + 21/336 = 320 + 21/336 = 341/336 - So, 20/21 + 1/16 = 341/336
In mixed form: 15/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21+1/16 20/21+2/16 20/42+1/16 20/21+1/32 60/21+1/16 20/21+3/16 20/63+1/16 20/21+1/48 20/21+5/16 20/21+1/80 20/21+7/16