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Add 25/42 and 18/28

25/42 + 18/28 is 26/21.

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,
    25/42 = 25 × 2/42 × 2 = 50/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    18/28 = 18 × 3/28 × 3 = 54/84
  4. Add the two like fractions:
    50/84 + 54/84 = 50 + 54/84 = 104/84
  5. 104/84 simplified gives 26/21
  6. So, 25/42 + 18/28 = 26/21
    In mixed form: 15/21

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