Answers

Add 3/16 and 84/20

1^st number: 3/16, 2^nd number: 4 4/20

3/16 + 84/20 is 351/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   3/16 = 3 × 5/16 × 5 = 15/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   84/20 = 84 × 4/20 × 4 = 336/80
4. Add the two like fractions:
   15/80 + 336/80 = 15 + 336/80 = 351/80
5. So, 3/16 + 84/20 = 351/80
   In mixed form: 431/80

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