Add 5/21 and 35/16
1st number: 5/21, 2nd number: 2 3/16
5/21 + 35/16 is 815/336.
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,
5/21 = 5 × 16/21 × 16 = 80/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
35/16 = 35 × 21/16 × 21 = 735/336 - Add the two like fractions:
80/336 + 735/336 = 80 + 735/336 = 815/336 - So, 5/21 + 35/16 = 815/336
In mixed form: 2143/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+35/16 5/21+70/16 5/42+35/16 5/21+35/32 15/21+35/16 5/63+35/16 5/21+35/48 25/21+35/16 5/21+35/80 35/21+35/16