Answers

Add 3/10 and 84/20

1^st number: 3/10, 2^nd number: 4 4/20

3/10 + 84/20 is 9/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   3/10 = 3 × 2/10 × 2 = 6/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   84/20 = 84 × 1/20 × 1 = 84/20
4. Add the two like fractions:
   6/20 + 84/20 = 6 + 84/20 = 90/20
5. 90/20 simplified gives 9/2
6. So, 3/10 + 84/20 = 9/2
   In mixed form: 41/2

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