Answers

Add 81/5 and 35/20

1^st number: 16 1/5, 2^nd number: 1 15/20

81/5 + 35/20 is 359/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 5 × 4 = 20,
   81/5 = 81 × 4/5 × 4 = 324/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   35/20 = 35 × 1/20 × 1 = 35/20
4. Add the two like fractions:
   324/20 + 35/20 = 324 + 35/20 = 359/20
5. So, 81/5 + 35/20 = 359/20
   In mixed form: 1719/20

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