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Add 25/50 and 18/40

25/50 + 18/40 is 19/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 40 is 200

    Next, find the equivalent fraction of both fractional numbers with denominator 200
  2. For the 1st fraction, since 50 × 4 = 200,
    25/50 = 25 × 4/50 × 4 = 100/200
  3. Likewise, for the 2nd fraction, since 40 × 5 = 200,
    18/40 = 18 × 5/40 × 5 = 90/200
  4. Add the two like fractions:
    100/200 + 90/200 = 100 + 90/200 = 190/200
  5. 190/200 simplified gives 19/20
  6. So, 25/50 + 18/40 = 19/20

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