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Add 75/21 and 27/8

1st number: 3 12/21, 2nd number: 3 3/8

75/21 + 27/8 is 389/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    75/21 = 75 × 8/21 × 8 = 600/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    27/8 = 27 × 21/8 × 21 = 567/168
  4. Add the two like fractions:
    600/168 + 567/168 = 600 + 567/168 = 1167/168
  5. 1167/168 simplified gives 389/56
  6. So, 75/21 + 27/8 = 389/56
    In mixed form: 653/56

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