Answers

Add 20/64 and 84/80

1^st number: 20/64, 2^nd number: 1 4/80

20/64 + 84/80 is 109/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 80 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 80 × 4 = 320,
   84/80 = 84 × 4/80 × 4 = 336/320
4. Add the two like fractions:
   100/320 + 336/320 = 100 + 336/320 = 436/320
5. 436/320 simplified gives 109/80
6. So, 20/64 + 84/80 = 109/80
   In mixed form: 129/80

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