Answers

Add 15/4 and 84/20

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

15/4 + 84/20 is 159/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   15/4 = 15 × 5/4 × 5 = 75/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   84/20 = 84 × 1/20 × 1 = 84/20
4. Add the two like fractions:
   75/20 + 84/20 = 75 + 84/20 = 159/20
5. So, 15/4 + 84/20 = 159/20
   In mixed form: 719/20

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