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Add 63/15 and 45/12

1st number: 4 3/15, 2nd number: 3 9/12

63/15 + 45/12 is 159/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 12 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    63/15 = 63 × 4/15 × 4 = 252/60
  3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
    45/12 = 45 × 5/12 × 5 = 225/60
  4. Add the two like fractions:
    252/60 + 225/60 = 252 + 225/60 = 477/60
  5. 477/60 simplified gives 159/20
  6. So, 63/15 + 45/12 = 159/20
    In mixed form: 719/20

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