Add 4/21 and 4/16
4/21 + 4/16 is 37/84.
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,
4/21 = 4 × 16/21 × 16 = 64/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Add the two like fractions:
64/336 + 84/336 = 64 + 84/336 = 148/336 - 148/336 simplified gives 37/84
- So, 4/21 + 4/16 = 37/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+4/16 4/21+8/16 4/42+4/16 4/21+4/32 12/21+4/16 4/21+12/16 4/63+4/16 4/21+4/48 20/21+4/16 4/21+20/16 4/21+4/80 28/21+4/16 4/21+28/16