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Add 5/12 and 20/42

5/12 + 20/42 is 25/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 12 × 7 = 84,
    5/12 = 5 × 7/12 × 7 = 35/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    20/42 = 20 × 2/42 × 2 = 40/84
  4. Add the two like fractions:
    35/84 + 40/84 = 35 + 40/84 = 75/84
  5. 75/84 simplified gives 25/28
  6. So, 5/12 + 20/42 = 25/28

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