Answers

Add 75/12 and 45/40

1^st number: 6 3/12, 2^nd number: 1 5/40

75/12 + 45/40 is 59/8.

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,
   75/12 = 75 × 10/12 × 10 = 750/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   45/40 = 45 × 3/40 × 3 = 135/120
4. Add the two like fractions:
   750/120 + 135/120 = 750 + 135/120 = 885/120
5. 885/120 simplified gives 59/8
6. So, 75/12 + 45/40 = 59/8
   In mixed form: 73/8

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