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Add 27/8 and 15/21

1st number: 3 3/8, 2nd number: 15/21

27/8 + 15/21 is 229/56.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    27/8 = 27 × 21/8 × 21 = 567/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    15/21 = 15 × 8/21 × 8 = 120/168
  4. Add the two like fractions:
    567/168 + 120/168 = 567 + 120/168 = 687/168
  5. 687/168 simplified gives 229/56
  6. So, 27/8 + 15/21 = 229/56
    In mixed form: 45/56

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