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Add 84/4 and 35/28

1st number: 21 0/4, 2nd number: 1 7/28

84/4 + 35/28 is 89/4.

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,
    84/4 = 84 × 7/4 × 7 = 588/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    35/28 = 35 × 1/28 × 1 = 35/28
  4. Add the two like fractions:
    588/28 + 35/28 = 588 + 35/28 = 623/28
  5. 623/28 simplified gives 89/4
  6. So, 84/4 + 35/28 = 89/4
    In mixed form: 221/4

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