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Add 9/21 and 3/56

9/21 + 3/56 is 27/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 56 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    9/21 = 9 × 8/21 × 8 = 72/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    3/56 = 3 × 3/56 × 3 = 9/168
  4. Add the two like fractions:
    72/168 + 9/168 = 72 + 9/168 = 81/168
  5. 81/168 simplified gives 27/56
  6. So, 9/21 + 3/56 = 27/56

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