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Add 27/15 and 63/16

1st number: 1 12/15, 2nd number: 3 15/16

27/15 + 63/16 is 459/80.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 15 × 16 = 240,
    27/15 = 27 × 16/15 × 16 = 432/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    63/16 = 63 × 15/16 × 15 = 945/240
  4. Add the two like fractions:
    432/240 + 945/240 = 432 + 945/240 = 1377/240
  5. 1377/240 simplified gives 459/80
  6. So, 27/15 + 63/16 = 459/80
    In mixed form: 559/80

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