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Add 63/15 and 12/90

1st number: 4 3/15, 2nd number: 12/90

63/15 + 12/90 is 13/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    63/15 = 63 × 6/15 × 6 = 378/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    12/90 = 12 × 1/90 × 1 = 12/90
  4. Add the two like fractions:
    378/90 + 12/90 = 378 + 12/90 = 390/90
  5. 390/90 simplified gives 13/3
  6. So, 63/15 + 12/90 = 13/3
    In mixed form: 41/3

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