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Add 5/25 and 42/80

5/25 + 42/80 is 29/40.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 25 × 16 = 400,
    5/25 = 5 × 16/25 × 16 = 80/400
  3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
    42/80 = 42 × 5/80 × 5 = 210/400
  4. Add the two like fractions:
    80/400 + 210/400 = 80 + 210/400 = 290/400
  5. 290/400 simplified gives 29/40
  6. So, 5/25 + 42/80 = 29/40

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