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Add 4/21 and 5/42

4/21 + 5/42 is 13/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 42 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 21 × 2 = 42,
    4/21 = 4 × 2/21 × 2 = 8/42
  3. Likewise, for the 2nd fraction, since 42 × 1 = 42,
    5/42 = 5 × 1/42 × 1 = 5/42
  4. Add the two like fractions:
    8/42 + 5/42 = 8 + 5/42 = 13/42
  5. So, 4/21 + 5/42 = 13/42

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