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Add 15/4 and 84/28

1st number: 3 3/4, 2nd number: 3 0/28

15/4 + 84/28 is 27/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 28 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 4 × 7 = 28,
    15/4 = 15 × 7/4 × 7 = 105/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    84/28 = 84 × 1/28 × 1 = 84/28
  4. Add the two like fractions:
    105/28 + 84/28 = 105 + 84/28 = 189/28
  5. 189/28 simplified gives 27/4
  6. So, 15/4 + 84/28 = 27/4
    In mixed form: 63/4

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