Answers

Add 63/20 and 9/10

1^st number: 3 3/20, 2^nd number: 9/10

63/20 + 9/10 is 81/20.

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,
   63/20 = 63 × 1/20 × 1 = 63/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   9/10 = 9 × 2/10 × 2 = 18/20
4. Add the two like fractions:
   63/20 + 18/20 = 63 + 18/20 = 81/20
5. So, 63/20 + 9/10 = 81/20
   In mixed form: 41/20

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