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Subtract 84/72 from 20/3

1st number: 6 2/3, 2nd number: 1 12/72

20/3 - 84/72 is 11/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 72 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 3 × 24 = 72,
    20/3 = 20 × 24/3 × 24 = 480/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    84/72 = 84 × 1/72 × 1 = 84/72
  4. Subtract the two like fractions:
    480/72 - 84/72 = 480 - 84/72 = 396/72
  5. After reducing the fraction, the answer is 11/2
  6. In mixed form: 51/2

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