Add 10/21 and 16/6
1st number: 10/21, 2nd number: 2 4/6
10/21 + 16/6 is 22/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
10/21 = 10 × 2/21 × 2 = 20/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
16/6 = 16 × 7/6 × 7 = 112/42 - Add the two like fractions:
20/42 + 112/42 = 20 + 112/42 = 132/42 - 132/42 simplified gives 22/7
- So, 10/21 + 16/6 = 22/7
In mixed form: 31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21+16/6 10/21+32/6 10/42+16/6 10/21+16/12 30/21+16/6 10/21+48/6 10/63+16/6 10/21+16/18 50/21+16/6 10/21+80/6 10/21+16/30 70/21+16/6 10/21+16/42