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Add 42/80 and 8/25

42/80 + 8/25 is 169/200.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 25 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 80 × 5 = 400,
    42/80 = 42 × 5/80 × 5 = 210/400
  3. Likewise, for the 2nd fraction, since 25 × 16 = 400,
    8/25 = 8 × 16/25 × 16 = 128/400
  4. Add the two like fractions:
    210/400 + 128/400 = 210 + 128/400 = 338/400
  5. 338/400 simplified gives 169/200
  6. So, 42/80 + 8/25 = 169/200

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