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Add 30/75 and 20/80

30/75 + 20/80 is 13/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 80 is 1200

    Next, find the equivalent fraction of both fractional numbers with denominator 1200
  2. For the 1st fraction, since 75 × 16 = 1200,
    30/75 = 30 × 16/75 × 16 = 480/1200
  3. Likewise, for the 2nd fraction, since 80 × 15 = 1200,
    20/80 = 20 × 15/80 × 15 = 300/1200
  4. Add the two like fractions:
    480/1200 + 300/1200 = 480 + 300/1200 = 780/1200
  5. 780/1200 simplified gives 13/20
  6. So, 30/75 + 20/80 = 13/20

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