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Add 54/8 and 15/4

1st number: 6 6/8, 2nd number: 3 3/4

54/8 + 15/4 is 21/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 4 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 8 × 1 = 8,
    54/8 = 54 × 1/8 × 1 = 54/8
  3. Likewise, for the 2nd fraction, since 4 × 2 = 8,
    15/4 = 15 × 2/4 × 2 = 30/8
  4. Add the two like fractions:
    54/8 + 30/8 = 54 + 30/8 = 84/8
  5. 84/8 simplified gives 21/2
  6. So, 54/8 + 15/4 = 21/2
    In mixed form: 101/2

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