Add 1/21 and 3/16
1/21 + 3/16 is 79/336.
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,
1/21 = 1 × 16/21 × 16 = 16/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
3/16 = 3 × 21/16 × 21 = 63/336 - Add the two like fractions:
16/336 + 63/336 = 16 + 63/336 = 79/336 - So, 1/21 + 3/16 = 79/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+3/16 1/21+6/16 1/42+3/16 1/21+3/32 3/21+3/16 1/21+9/16 1/63+3/16 1/21+3/48 5/21+3/16 1/21+15/16 1/21+3/80 7/21+3/16 1/21+21/16