Answers

Add 28/12 and 80/40

1^st number: 2 4/12, 2^nd number: 2 0/40

28/12 + 80/40 is 13/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 12 × 10 = 120,
   28/12 = 28 × 10/12 × 10 = 280/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   80/40 = 80 × 3/40 × 3 = 240/120
4. Add the two like fractions:
   280/120 + 240/120 = 280 + 240/120 = 520/120
5. 520/120 simplified gives 13/3
6. So, 28/12 + 80/40 = 13/3
   In mixed form: 41/3

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