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Add 18/72 and 20/64

18/72 + 20/64 is 9/16.

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,
    18/72 = 18 × 8/72 × 8 = 144/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    20/64 = 20 × 9/64 × 9 = 180/576
  4. Add the two like fractions:
    144/576 + 180/576 = 144 + 180/576 = 324/576
  5. 324/576 simplified gives 9/16
  6. So, 18/72 + 20/64 = 9/16

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