Answers

Add 70/12 and 50/30

1^st number: 5 10/12, 2^nd number: 1 20/30

70/12 + 50/30 is 15/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   70/12 = 70 × 5/12 × 5 = 350/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   50/30 = 50 × 2/30 × 2 = 100/60
4. Add the two like fractions:
   350/60 + 100/60 = 350 + 100/60 = 450/60
5. 450/60 simplified gives 15/2
6. So, 70/12 + 50/30 = 15/2
   In mixed form: 71/2

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