Add 50/35 and 21/42
1st number: 1 15/35, 2nd number: 21/42
50/35 + 21/42 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
50/35 = 50 × 6/35 × 6 = 300/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
21/42 = 21 × 5/42 × 5 = 105/210 - Add the two like fractions:
300/210 + 105/210 = 300 + 105/210 = 405/210 - 405/210 simplified gives 27/14
- So, 50/35 + 21/42 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+21/42 50/35+21/84 50/35+63/42