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Add 28/30 and 84/45

1st number: 28/30, 2nd number: 1 39/45

28/30 + 84/45 is 14/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 45 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    28/30 = 28 × 3/30 × 3 = 84/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    84/45 = 84 × 2/45 × 2 = 168/90
  4. Add the two like fractions:
    84/90 + 168/90 = 84 + 168/90 = 252/90
  5. 252/90 simplified gives 14/5
  6. So, 28/30 + 84/45 = 14/5
    In mixed form: 24/5

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