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Add 10/21 and 12/56

10/21 + 12/56 is 29/42.

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,
    10/21 = 10 × 8/21 × 8 = 80/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    12/56 = 12 × 3/56 × 3 = 36/168
  4. Add the two like fractions:
    80/168 + 36/168 = 80 + 36/168 = 116/168
  5. 116/168 simplified gives 29/42
  6. So, 10/21 + 12/56 = 29/42

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