Answers

Add 56/20 and 42/64

1^st number: 2 16/20, 2^nd number: 42/64

56/20 + 42/64 is 553/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 20 × 16 = 320,
   56/20 = 56 × 16/20 × 16 = 896/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   42/64 = 42 × 5/64 × 5 = 210/320
4. Add the two like fractions:
   896/320 + 210/320 = 896 + 210/320 = 1106/320
5. 1106/320 simplified gives 553/160
6. So, 56/20 + 42/64 = 553/160
   In mixed form: 373/160

MathStep (Works offline)

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

Related: ⁵⁶/₂₀+⁸⁴/₆₄ ⁵⁶/₄₀+⁴²/₆₄ ⁵⁶/₆₀+⁴²/₆₄

Add Fractions Calculator