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Subtract 21/63 from 84/36

1st number: 2 12/36, 2nd number: 21/63

84/36 - 21/63 is 2/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 36 × 7 = 252,
    84/36 = 84 × 7/36 × 7 = 588/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    21/63 = 21 × 4/63 × 4 = 84/252
  4. Subtract the two like fractions:
    588/252 - 84/252 = 588 - 84/252 = 504/252
  5. After reducing the fraction, the answer is 2/1

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