Answers

Add 12/40 and 84/80

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

12/40 + 84/80 is 27/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   12/40 = 12 × 2/40 × 2 = 24/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   84/80 = 84 × 1/80 × 1 = 84/80
4. Add the two like fractions:
   24/80 + 84/80 = 24 + 84/80 = 108/80
5. 108/80 simplified gives 27/20
6. So, 12/40 + 84/80 = 27/20
   In mixed form: 17/20

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