Add 35/6 and 15/21
1st number: 5 5/6, 2nd number: 15/21
35/6 + 15/21 is 275/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
35/6 = 35 × 7/6 × 7 = 245/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
15/21 = 15 × 2/21 × 2 = 30/42 - Add the two like fractions:
245/42 + 30/42 = 245 + 30/42 = 275/42 - So, 35/6 + 15/21 = 275/42
In mixed form: 623/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+15/21 35/6+30/21 35/12+15/21 35/6+15/42 35/6+45/21 35/18+15/21 35/6+15/63 35/6+75/21 35/30+15/21 35/42+15/21