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Add 40/50 and 42/80

40/50 + 42/80 is 53/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 80 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 50 × 8 = 400,
    40/50 = 40 × 8/50 × 8 = 320/400
  3. Likewise, for the 2nd fraction, since 80 × 5 = 400,
    42/80 = 42 × 5/80 × 5 = 210/400
  4. Add the two like fractions:
    320/400 + 210/400 = 320 + 210/400 = 530/400
  5. 530/400 simplified gives 53/40
  6. So, 40/50 + 42/80 = 53/40
    In mixed form: 113/40

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