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Add 20/72 and 12/64

20/72 + 12/64 is 67/144.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 72 × 8 = 576,
    20/72 = 20 × 8/72 × 8 = 160/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    12/64 = 12 × 9/64 × 9 = 108/576
  4. Add the two like fractions:
    160/576 + 108/576 = 160 + 108/576 = 268/576
  5. 268/576 simplified gives 67/144
  6. So, 20/72 + 12/64 = 67/144

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