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Subtract 20/21 from 84/50

1st number: 1 34/50, 2nd number: 20/21

84/50 - 20/21 is 382/525.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 21 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    84/50 = 84 × 21/50 × 21 = 1764/1050
  3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
    20/21 = 20 × 50/21 × 50 = 1000/1050
  4. Subtract the two like fractions:
    1764/1050 - 1000/1050 = 1764 - 1000/1050 = 764/1050
  5. After reducing the fraction, the answer is 382/525

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