Answers

Add 45/40 and 81/16

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

45/40 + 81/16 is 99/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   45/40 = 45 × 2/40 × 2 = 90/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   81/16 = 81 × 5/16 × 5 = 405/80
4. Add the two like fractions:
   90/80 + 405/80 = 90 + 405/80 = 495/80
5. 495/80 simplified gives 99/16
6. So, 45/40 + 81/16 = 99/16
   In mixed form: 63/16

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