Answers

Add 50/7 and 45/20

1^st number: 7 1/7, 2^nd number: 2 5/20

50/7 + 45/20 is 263/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 7 × 20 = 140,
   50/7 = 50 × 20/7 × 20 = 1000/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   45/20 = 45 × 7/20 × 7 = 315/140
4. Add the two like fractions:
   1000/140 + 315/140 = 1000 + 315/140 = 1315/140
5. 1315/140 simplified gives 263/28
6. So, 50/7 + 45/20 = 263/28
   In mixed form: 911/28

MathStep (Works offline)

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

Related: ⁵⁰/₇+⁹⁰/₂₀ ⁵⁰/₁₄+⁴⁵/₂₀ ⁵⁰/₇+⁴⁵/₄₀ ⁵⁰/₂₁+⁴⁵/₂₀ ⁵⁰/₇+⁴⁵/₆₀ ⁵⁰/₃₅+⁴⁵/₂₀ ⁵⁰/₄₉+⁴⁵/₂₀

Add Fractions Calculator