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Add 21/7 and 84/24

1st number: 3 0/7, 2nd number: 3 12/24

21/7 + 84/24 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 24 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 7 × 24 = 168,
    21/7 = 21 × 24/7 × 24 = 504/168
  3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
    84/24 = 84 × 7/24 × 7 = 588/168
  4. Add the two like fractions:
    504/168 + 588/168 = 504 + 588/168 = 1092/168
  5. 1092/168 simplified gives 13/2
  6. So, 21/7 + 84/24 = 13/2
    In mixed form: 61/2

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