Answers

Add 60/12 and 15/40

1^st number: 5 0/12, 2^nd number: 15/40

60/12 + 15/40 is 43/8.

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,
   60/12 = 60 × 10/12 × 10 = 600/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   15/40 = 15 × 3/40 × 3 = 45/120
4. Add the two like fractions:
   600/120 + 45/120 = 600 + 45/120 = 645/120
5. 645/120 simplified gives 43/8
6. So, 60/12 + 15/40 = 43/8
   In mixed form: 53/8

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