Answers

Add 81/10 and 54/16

1^st number: 8 1/10, 2^nd number: 3 6/16

81/10 + 54/16 is 459/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 10 × 8 = 80,
   81/10 = 81 × 8/10 × 8 = 648/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   54/16 = 54 × 5/16 × 5 = 270/80
4. Add the two like fractions:
   648/80 + 270/80 = 648 + 270/80 = 918/80
5. 918/80 simplified gives 459/40
6. So, 81/10 + 54/16 = 459/40
   In mixed form: 1119/40

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