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Add 81/16 and 40/15

1st number: 5 1/16, 2nd number: 2 10/15

81/16 + 40/15 is 371/48.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 15 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 16 × 15 = 240,
    81/16 = 81 × 15/16 × 15 = 1215/240
  3. Likewise, for the 2nd fraction, since 15 × 16 = 240,
    40/15 = 40 × 16/15 × 16 = 640/240
  4. Add the two like fractions:
    1215/240 + 640/240 = 1215 + 640/240 = 1855/240
  5. 1855/240 simplified gives 371/48
  6. So, 81/16 + 40/15 = 371/48
    In mixed form: 735/48

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