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Add 6/75 and 21/80

6/75 + 21/80 is 137/400.

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,
    6/75 = 6 × 16/75 × 16 = 96/1200
  3. Likewise, for the 2nd fraction, since 80 × 15 = 1200,
    21/80 = 21 × 15/80 × 15 = 315/1200
  4. Add the two like fractions:
    96/1200 + 315/1200 = 96 + 315/1200 = 411/1200
  5. 411/1200 simplified gives 137/400
  6. So, 6/75 + 21/80 = 137/400

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