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Add 12/80 and 3/10

12/80 + 3/10 is 9/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    12/80 = 12 × 1/80 × 1 = 12/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    3/10 = 3 × 8/10 × 8 = 24/80
  4. Add the two like fractions:
    12/80 + 24/80 = 12 + 24/80 = 36/80
  5. 36/80 simplified gives 9/20
  6. So, 12/80 + 3/10 = 9/20

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