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Add 15/48 and 81/90

15/48 + 81/90 is 97/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    15/48 = 15 × 15/48 × 15 = 225/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    81/90 = 81 × 8/90 × 8 = 648/720
  4. Add the two like fractions:
    225/720 + 648/720 = 225 + 648/720 = 873/720
  5. 873/720 simplified gives 97/80
  6. So, 15/48 + 81/90 = 97/80
    In mixed form: 117/80

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