Answers

Add 81/16 and 32/40

1^st number: 5 1/16, 2^nd number: 32/40

81/16 + 32/40 is 469/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   81/16 = 81 × 5/16 × 5 = 405/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   32/40 = 32 × 2/40 × 2 = 64/80
4. Add the two like fractions:
   405/80 + 64/80 = 405 + 64/80 = 469/80
5. So, 81/16 + 32/40 = 469/80
   In mixed form: 569/80

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