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Add 18/42 and 7/28

18/42 + 7/28 is 19/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 28 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    18/42 = 18 × 2/42 × 2 = 36/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    7/28 = 7 × 3/28 × 3 = 21/84
  4. Add the two like fractions:
    36/84 + 21/84 = 36 + 21/84 = 57/84
  5. 57/84 simplified gives 19/28
  6. So, 18/42 + 7/28 = 19/28

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