Answers

Add 30/10 and 21/20

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

30/10 + 21/20 is 81/20.

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,
   30/10 = 30 × 2/10 × 2 = 60/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   21/20 = 21 × 1/20 × 1 = 21/20
4. Add the two like fractions:
   60/20 + 21/20 = 60 + 21/20 = 81/20
5. So, 30/10 + 21/20 = 81/20
   In mixed form: 41/20

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