Answers

Add 64/5 and 40/80

1^st number: 12 4/5, 2^nd number: 40/80

64/5 + 40/80 is 133/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 5 × 16 = 80,
   64/5 = 64 × 16/5 × 16 = 1024/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   40/80 = 40 × 1/80 × 1 = 40/80
4. Add the two like fractions:
   1024/80 + 40/80 = 1024 + 40/80 = 1064/80
5. 1064/80 simplified gives 133/10
6. So, 64/5 + 40/80 = 133/10
   In mixed form: 133/10

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