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Add 49/80 and 12/90

49/80 + 12/90 is 179/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    49/80 = 49 × 9/80 × 9 = 441/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    12/90 = 12 × 8/90 × 8 = 96/720
  4. Add the two like fractions:
    441/720 + 96/720 = 441 + 96/720 = 537/720
  5. 537/720 simplified gives 179/240
  6. So, 49/80 + 12/90 = 179/240

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