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Add 12/90 and 30/64

12/90 + 30/64 is 289/480.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 64 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 90 × 32 = 2880,
    12/90 = 12 × 32/90 × 32 = 384/2880
  3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
    30/64 = 30 × 45/64 × 45 = 1350/2880
  4. Add the two like fractions:
    384/2880 + 1350/2880 = 384 + 1350/2880 = 1734/2880
  5. 1734/2880 simplified gives 289/480
  6. So, 12/90 + 30/64 = 289/480

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