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Subtract 48/18 from 21/6

1st number: 3 3/6, 2nd number: 2 12/18

21/6 - 48/18 is 5/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 18 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 6 × 3 = 18,
    21/6 = 21 × 3/6 × 3 = 63/18
  3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
    48/18 = 48 × 1/18 × 1 = 48/18
  4. Subtract the two like fractions:
    63/18 - 48/18 = 63 - 48/18 = 15/18
  5. After reducing the fraction, the answer is 5/6

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