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Add 63/42 and 54/15

1st number: 1 21/42, 2nd number: 3 9/15

63/42 + 54/15 is 51/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 15 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    63/42 = 63 × 5/42 × 5 = 315/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    54/15 = 54 × 14/15 × 14 = 756/210
  4. Add the two like fractions:
    315/210 + 756/210 = 315 + 756/210 = 1071/210
  5. 1071/210 simplified gives 51/10
  6. So, 63/42 + 54/15 = 51/10
    In mixed form: 51/10

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