Answers

Add 84/20 and 84/64

1^st number: 4 4/20, 2^nd number: 1 20/64

84/20 + 84/64 is 441/80.

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,
   84/20 = 84 × 16/20 × 16 = 1344/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   84/64 = 84 × 5/64 × 5 = 420/320
4. Add the two like fractions:
   1344/320 + 420/320 = 1344 + 420/320 = 1764/320
5. 1764/320 simplified gives 441/80
6. So, 84/20 + 84/64 = 441/80
   In mixed form: 541/80

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