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Subtract 42/36 from 20/3

1st number: 6 2/3, 2nd number: 1 6/36

20/3 - 42/36 is 11/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 36 is 36
  2. For the 1st fraction, since 3 × 12 = 36,
    20/3 = 20 × 12/3 × 12 = 240/36
  3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
    42/36 = 42 × 1/36 × 1 = 42/36
  4. Subtract the two fractions:
    240/36 - 42/36 = 240 - 42/36 = 198/36
  5. After reducing the fraction, the answer is 11/2
  6. In mixed form: 51/2

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