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Add 4/56 and 4/21

4/56 + 4/21 is 11/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 56 × 3 = 168,
    4/56 = 4 × 3/56 × 3 = 12/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    4/21 = 4 × 8/21 × 8 = 32/168
  4. Add the two like fractions:
    12/168 + 32/168 = 12 + 32/168 = 44/168
  5. 44/168 simplified gives 11/42
  6. So, 4/56 + 4/21 = 11/42

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