Add 16/21 and 15/6
1st number: 16/21, 2nd number: 2 3/6
16/21 + 15/6 is 137/42.
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,
16/21 = 16 × 2/21 × 2 = 32/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
15/6 = 15 × 7/6 × 7 = 105/42 - Add the two like fractions:
32/42 + 105/42 = 32 + 105/42 = 137/42 - So, 16/21 + 15/6 = 137/42
In mixed form: 311/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+15/6 16/21+30/6 16/42+15/6 16/21+15/12 48/21+15/6 16/21+45/6 16/63+15/6 16/21+15/18 80/21+15/6 16/21+75/6 16/21+15/30 16/21+15/42