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Add 30/72 and 81/64

1st number: 30/72, 2nd number: 1 17/64

30/72 + 81/64 is 323/192.

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,
    30/72 = 30 × 8/72 × 8 = 240/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    81/64 = 81 × 9/64 × 9 = 729/576
  4. Add the two like fractions:
    240/576 + 729/576 = 240 + 729/576 = 969/576
  5. 969/576 simplified gives 323/192
  6. So, 30/72 + 81/64 = 323/192
    In mixed form: 1131/192

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