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Add 30/80 and 40/50

30/80 + 40/50 is 47/40.

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,
    30/80 = 30 × 5/80 × 5 = 150/400
  3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
    40/50 = 40 × 8/50 × 8 = 320/400
  4. Add the two like fractions:
    150/400 + 320/400 = 150 + 320/400 = 470/400
  5. 470/400 simplified gives 47/40
  6. So, 30/80 + 40/50 = 47/40
    In mixed form: 17/40

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