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Add 49/90 and 12/80

49/90 + 12/80 is 25/36.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    49/90 = 49 × 8/90 × 8 = 392/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    12/80 = 12 × 9/80 × 9 = 108/720
  4. Add the two like fractions:
    392/720 + 108/720 = 392 + 108/720 = 500/720
  5. 500/720 simplified gives 25/36
  6. So, 49/90 + 12/80 = 25/36

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