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Add 4/12 and 5/7

4/12 + 5/7 is 22/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    4/12 = 4 × 7/12 × 7 = 28/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    5/7 = 5 × 12/7 × 12 = 60/84
  4. Add the two like fractions:
    28/84 + 60/84 = 28 + 60/84 = 88/84
  5. 88/84 simplified gives 22/21
  6. So, 4/12 + 5/7 = 22/21
    In mixed form: 11/21

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