Answers

Add 20/64 and 35/20

1^st number: 20/64, 2^nd number: 1 15/20

20/64 + 35/20 is 33/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 20 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   20/64 = 20 × 5/64 × 5 = 100/320
3. Likewise, for the 2nd fraction, since 20 × 16 = 320,
   35/20 = 35 × 16/20 × 16 = 560/320
4. Add the two like fractions:
   100/320 + 560/320 = 100 + 560/320 = 660/320
5. 660/320 simplified gives 33/16
6. So, 20/64 + 35/20 = 33/16
   In mixed form: 21/16

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