Answers

Add 12/80 and 54/40

1^st number: 12/80, 2^nd number: 1 14/40

12/80 + 54/40 is 3/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   12/80 = 12 × 1/80 × 1 = 12/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   54/40 = 54 × 2/40 × 2 = 108/80
4. Add the two like fractions:
   12/80 + 108/80 = 12 + 108/80 = 120/80
5. 120/80 simplified gives 3/2
6. So, 12/80 + 54/40 = 3/2
   In mixed form: 11/2

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