Answers

Add 42/50 and 28/20

1^st number: 42/50, 2^nd number: 1 8/20

42/50 + 28/20 is 56/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 50 × 2 = 100,
   42/50 = 42 × 2/50 × 2 = 84/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   28/20 = 28 × 5/20 × 5 = 140/100
4. Add the two like fractions:
   84/100 + 140/100 = 84 + 140/100 = 224/100
5. 224/100 simplified gives 56/25
6. So, 42/50 + 28/20 = 56/25
   In mixed form: 26/25

MathStep (Works offline)

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

Related: ⁸⁴/₅₀+²⁸/₂₀ ⁴²/₅₀+⁵⁶/₂₀ ⁴²/₅₀+²⁸/₄₀ ⁴²/₅₀+⁸⁴/₂₀ ⁴²/₅₀+²⁸/₆₀

Add Fractions Calculator