Add 7/21 and 2/16
7/21 + 2/16 is 11/24.
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,
7/21 = 7 × 16/21 × 16 = 112/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
2/16 = 2 × 21/16 × 21 = 42/336 - Add the two like fractions:
112/336 + 42/336 = 112 + 42/336 = 154/336 - 154/336 simplified gives 11/24
- So, 7/21 + 2/16 = 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/21+2/16 7/21+4/16 7/42+2/16 7/21+2/32 7/21+6/16 7/63+2/16 7/21+2/48 35/21+2/16 7/21+10/16 7/21+2/80 49/21+2/16 7/21+14/16