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Subtract 30/84 from 36/20

1st number: 1 16/20, 2nd number: 30/84

36/20 - 30/84 is 101/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    36/20 = 36 × 21/20 × 21 = 756/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    30/84 = 30 × 5/84 × 5 = 150/420
  4. Subtract the two like fractions:
    756/420 - 150/420 = 756 - 150/420 = 606/420
  5. After reducing the fraction, the answer is 101/70
  6. In mixed form: 131/70

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