Answers

Add 50/4 and 60/20

1^st number: 12 2/4, 2^nd number: 3 0/20

50/4 + 60/20 is 31/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   50/4 = 50 × 5/4 × 5 = 250/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   60/20 = 60 × 1/20 × 1 = 60/20
4. Add the two like fractions:
   250/20 + 60/20 = 250 + 60/20 = 310/20
5. 310/20 simplified gives 31/2
6. So, 50/4 + 60/20 = 31/2
   In mixed form: 151/2

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