Add 16/21 and 7/10
16/21 + 7/10 is 307/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
16/21 = 16 × 10/21 × 10 = 160/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
7/10 = 7 × 21/10 × 21 = 147/210 - Add the two like fractions:
160/210 + 147/210 = 160 + 147/210 = 307/210 - So, 16/21 + 7/10 = 307/210
In mixed form: 197/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+7/10 16/21+14/10 16/42+7/10 16/21+7/20 48/21+7/10 16/21+21/10 16/63+7/10 16/21+7/30 80/21+7/10 16/21+35/10 16/21+7/50 16/21+49/10 16/21+7/70