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Subtract 16/6 from 21/28

1st number: 21/28, 2nd number: 2 4/6

21/28 - 16/6 is -23/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 6 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    21/28 = 21 × 3/28 × 3 = 63/84
  3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
    16/6 = 16 × 14/6 × 14 = 224/84
  4. Subtract the two like fractions:
    63/84 - 224/84 = 63 - 224/84 = -161/84
  5. After reducing the fraction, the answer is -23/12

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