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Subtract 21/84 from 30/6

1st number: 5 0/6, 2nd number: 21/84

30/6 - 21/84 is 19/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 84 is 84
  2. For the 1st fraction, since 6 × 14 = 84,
    30/6 = 30 × 14/6 × 14 = 420/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    21/84 = 21 × 1/84 × 1 = 21/84
  4. Subtract the two fractions:
    420/84 - 21/84 = 420 - 21/84 = 399/84
  5. After reducing the fraction, the answer is 19/4
  6. In mixed form: 43/4

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