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Add 84/4 and 45/6

1st number: 21 0/4, 2nd number: 7 3/6

84/4 + 45/6 is 57/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 6 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 4 × 3 = 12,
    84/4 = 84 × 3/4 × 3 = 252/12
  3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
    45/6 = 45 × 2/6 × 2 = 90/12
  4. Add the two like fractions:
    252/12 + 90/12 = 252 + 90/12 = 342/12
  5. 342/12 simplified gives 57/2
  6. So, 84/4 + 45/6 = 57/2
    In mixed form: 281/2

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