Add 35/3 and 16/21
1st number: 11 2/3, 2nd number: 16/21
35/3 + 16/21 is 87/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
35/3 = 35 × 7/3 × 7 = 245/21 - Likewise, for the 2nd fraction, since 21 × 1 = 21,
16/21 = 16 × 1/21 × 1 = 16/21 - Add the two like fractions:
245/21 + 16/21 = 245 + 16/21 = 261/21 - 261/21 simplified gives 87/7
- So, 35/3 + 16/21 = 87/7
In mixed form: 123/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/3+16/21 35/3+32/21 35/6+16/21 35/3+16/42 35/3+48/21 35/9+16/21 35/3+16/63 35/3+80/21 35/15+16/21 35/21+16/21