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Add 4/21 and 9/56

4/21 + 9/56 is 59/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 56 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    4/21 = 4 × 8/21 × 8 = 32/168
  3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
    9/56 = 9 × 3/56 × 3 = 27/168
  4. Add the two fractions:
    32/168 + 27/168 = 32 + 27/168 = 59/168
  5. So, 4/21 + 9/56 = 59/168

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