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Subtract 14/8 from 28/84

1st number: 28/84, 2nd number: 1 6/8

28/84 - 14/8 is -17/12.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    28/84 = 28 × 2/84 × 2 = 56/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    14/8 = 14 × 21/8 × 21 = 294/168
  4. Subtract the two fractions:
    56/168 - 294/168 = 56 - 294/168 = -238/168
  5. After reducing the fraction, the answer is -17/12

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