Answers

Add 50/21 and 80/35

1^st number: 2 8/21, 2^nd number: 2 10/35

50/21 + 80/35 is 14/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 35 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 21 × 5 = 105,
   50/21 = 50 × 5/21 × 5 = 250/105
3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
   80/35 = 80 × 3/35 × 3 = 240/105
4. Add the two like fractions:
   250/105 + 240/105 = 250 + 240/105 = 490/105
5. 490/105 simplified gives 14/3
6. So, 50/21 + 80/35 = 14/3
   In mixed form: 42/3

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₄₂+⁸⁰/₃₅ ⁵⁰/₂₁+⁸⁰/₇₀ ⁵⁰/₆₃+⁸⁰/₃₅

Add Fractions Calculator