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Add 42/80 and 75/50

1st number: 42/80, 2nd number: 1 25/50

42/80 + 75/50 is 81/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 50 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 50 × 8 = 400,
    75/50 = 75 × 8/50 × 8 = 600/400
  4. Add the two like fractions:
    210/400 + 600/400 = 210 + 600/400 = 810/400
  5. 810/400 simplified gives 81/40
  6. So, 42/80 + 75/50 = 81/40
    In mixed form: 21/40

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