Answers

Add 84/40 and 75/12

1^st number: 2 4/40, 2^nd number: 6 3/12

84/40 + 75/12 is 167/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 12 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   84/40 = 84 × 3/40 × 3 = 252/120
3. Likewise, for the 2nd fraction, since 12 × 10 = 120,
   75/12 = 75 × 10/12 × 10 = 750/120
4. Add the two like fractions:
   252/120 + 750/120 = 252 + 750/120 = 1002/120
5. 1002/120 simplified gives 167/20
6. So, 84/40 + 75/12 = 167/20
   In mixed form: 87/20

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