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Add 18/14 and 8/21

1st number: 1 4/14, 2nd number: 8/21

18/14 + 8/21 is 5/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 21 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 14 × 3 = 42,
    18/14 = 18 × 3/14 × 3 = 54/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    8/21 = 8 × 2/21 × 2 = 16/42
  4. Add the two like fractions:
    54/42 + 16/42 = 54 + 16/42 = 70/42
  5. 70/42 simplified gives 5/3
  6. So, 18/14 + 8/21 = 5/3
    In mixed form: 12/3

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