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Add 54/63 and 4/15

54/63 + 4/15 is 118/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 15 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 63 × 5 = 315,
    54/63 = 54 × 5/63 × 5 = 270/315
  3. Likewise, for the 2nd fraction, since 15 × 21 = 315,
    4/15 = 4 × 21/15 × 21 = 84/315
  4. Add the two like fractions:
    270/315 + 84/315 = 270 + 84/315 = 354/315
  5. 354/315 simplified gives 118/105
  6. So, 54/63 + 4/15 = 118/105
    In mixed form: 113/105

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