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Add 20/25 and 40/42

20/25 + 40/42 is 184/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    20/25 = 20 × 42/25 × 42 = 840/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    40/42 = 40 × 25/42 × 25 = 1000/1050
  4. Add the two like fractions:
    840/1050 + 1000/1050 = 840 + 1000/1050 = 1840/1050
  5. 1840/1050 simplified gives 184/105
  6. So, 20/25 + 40/42 = 184/105
    In mixed form: 179/105

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