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Add 9/12 and 63/80

9/12 + 63/80 is 123/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 80 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 12 × 20 = 240,
    9/12 = 9 × 20/12 × 20 = 180/240
  3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
    63/80 = 63 × 3/80 × 3 = 189/240
  4. Add the two like fractions:
    180/240 + 189/240 = 180 + 189/240 = 369/240
  5. 369/240 simplified gives 123/80
  6. So, 9/12 + 63/80 = 123/80
    In mixed form: 143/80

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