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Add 20/42 and 24/40

20/42 + 24/40 is 113/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    20/42 = 20 × 20/42 × 20 = 400/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    24/40 = 24 × 21/40 × 21 = 504/840
  4. Add the two like fractions:
    400/840 + 504/840 = 400 + 504/840 = 904/840
  5. 904/840 simplified gives 113/105
  6. So, 20/42 + 24/40 = 113/105
    In mixed form: 18/105

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