Answers

Add 70/20 and 60/10

1^st number: 3 10/20, 2^nd number: 6 0/10

70/20 + 60/10 is 19/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   70/20 = 70 × 1/20 × 1 = 70/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   60/10 = 60 × 2/10 × 2 = 120/20
4. Add the two like fractions:
   70/20 + 120/20 = 70 + 120/20 = 190/20
5. 190/20 simplified gives 19/2
6. So, 70/20 + 60/10 = 19/2
   In mixed form: 91/2

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