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Add 30/48 and 45/81

30/48 + 45/81 is 85/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 81 is 1296

    Next, find the equivalent fraction of both fractional numbers with denominator 1296
  2. For the 1st fraction, since 48 × 27 = 1296,
    30/48 = 30 × 27/48 × 27 = 810/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    45/81 = 45 × 16/81 × 16 = 720/1296
  4. Add the two like fractions:
    810/1296 + 720/1296 = 810 + 720/1296 = 1530/1296
  5. 1530/1296 simplified gives 85/72
  6. So, 30/48 + 45/81 = 85/72
    In mixed form: 113/72

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