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Add 21/56 and 1/21

21/56 + 1/21 is 71/168.

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,
    21/56 = 21 × 3/56 × 3 = 63/168
  3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
    1/21 = 1 × 8/21 × 8 = 8/168
  4. Add the two like fractions:
    63/168 + 8/168 = 63 + 8/168 = 71/168
  5. So, 21/56 + 1/21 = 71/168

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