Answers

Add 56/20 and 75/64

1^st number: 2 16/20, 2^nd number: 1 11/64

56/20 + 75/64 is 1271/320.

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,
   75/64 = 75 × 5/64 × 5 = 375/320
4. Add the two like fractions:
   896/320 + 375/320 = 896 + 375/320 = 1271/320
5. So, 56/20 + 75/64 = 1271/320
   In mixed form: 3311/320

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