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Add 63/4 and 84/15

1st number: 15 3/4, 2nd number: 5 9/15

63/4 + 84/15 is 427/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    63/4 = 63 × 15/4 × 15 = 945/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    84/15 = 84 × 4/15 × 4 = 336/60
  4. Add the two like fractions:
    945/60 + 336/60 = 945 + 336/60 = 1281/60
  5. 1281/60 simplified gives 427/20
  6. So, 63/4 + 84/15 = 427/20
    In mixed form: 217/20

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