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Add 12/80 and 21/50

12/80 + 21/50 is 57/100.

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,
    12/80 = 12 × 5/80 × 5 = 60/400
  3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
    21/50 = 21 × 8/50 × 8 = 168/400
  4. Add the two like fractions:
    60/400 + 168/400 = 60 + 168/400 = 228/400
  5. 228/400 simplified gives 57/100
  6. So, 12/80 + 21/50 = 57/100

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