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Add 18/72 and 80/64

1st number: 18/72, 2nd number: 1 16/64

18/72 + 80/64 is 3/2.

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,
    80/64 = 80 × 9/64 × 9 = 720/576
  4. Add the two like fractions:
    144/576 + 720/576 = 144 + 720/576 = 864/576
  5. 864/576 simplified gives 3/2
  6. So, 18/72 + 80/64 = 3/2
    In mixed form: 11/2

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