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Add 28/15 and 84/4

1st number: 1 13/15, 2nd number: 21 0/4

28/15 + 84/4 is 343/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 15 × 4 = 60,
    28/15 = 28 × 4/15 × 4 = 112/60
  3. Likewise, for the 2nd fraction, since 4 × 15 = 60,
    84/4 = 84 × 15/4 × 15 = 1260/60
  4. Add the two like fractions:
    112/60 + 1260/60 = 112 + 1260/60 = 1372/60
  5. 1372/60 simplified gives 343/15
  6. So, 28/15 + 84/4 = 343/15
    In mixed form: 2213/15

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