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Add 9/42 and 20/60

9/42 + 20/60 is 23/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 42 × 10 = 420,
    9/42 = 9 × 10/42 × 10 = 90/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    20/60 = 20 × 7/60 × 7 = 140/420
  4. Add the two like fractions:
    90/420 + 140/420 = 90 + 140/420 = 230/420
  5. 230/420 simplified gives 23/42
  6. So, 9/42 + 20/60 = 23/42

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