Add 16/21 and 35/18
1st number: 16/21, 2nd number: 1 17/18
16/21 + 35/18 is 341/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 21 × 6 = 126,
16/21 = 16 × 6/21 × 6 = 96/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
35/18 = 35 × 7/18 × 7 = 245/126 - Add the two like fractions:
96/126 + 245/126 = 96 + 245/126 = 341/126 - So, 16/21 + 35/18 = 341/126
In mixed form: 289/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+35/18 16/21+70/18 16/42+35/18 16/21+35/36 48/21+35/18 16/63+35/18 16/21+35/54 80/21+35/18 16/21+35/90