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Add 81/16 and 40/5

1st number: 5 1/16, 2nd number: 8 0/5

81/16 + 40/5 is 209/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 5 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 5 × 16 = 80,
    40/5 = 40 × 16/5 × 16 = 640/80
  4. Add the two like fractions:
    405/80 + 640/80 = 405 + 640/80 = 1045/80
  5. 1045/80 simplified gives 209/16
  6. So, 81/16 + 40/5 = 209/16
    In mixed form: 131/16

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