Answers

Add 40/20 and 50/56

1^st number: 2 0/20, 2^nd number: 50/56

40/20 + 50/56 is 81/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   40/20 = 40 × 14/20 × 14 = 560/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   50/56 = 50 × 5/56 × 5 = 250/280
4. Add the two like fractions:
   560/280 + 250/280 = 560 + 250/280 = 810/280
5. 810/280 simplified gives 81/28
6. So, 40/20 + 50/56 = 81/28
   In mixed form: 225/28

MathStep (Works offline)

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

Related: ⁸⁰/₂₀+⁵⁰/₅₆ ⁴⁰/₆₀+⁵⁰/₅₆

Add Fractions Calculator