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Subtract 48/12 from 21/6

1st number: 3 3/6, 2nd number: 4 0/12

21/6 - 48/12 is -1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 12 is 12
  2. For the 1st fraction, since 6 × 2 = 12,
    21/6 = 21 × 2/6 × 2 = 42/12
  3. Likewise, for the 2nd fraction, since 12 × 1 = 12,
    48/12 = 48 × 1/12 × 1 = 48/12
  4. Subtract the two fractions:
    42/12 - 48/12 = 42 - 48/12 = -6/12
  5. After reducing the fraction, the answer is -1/2

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