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Subtract 10/8 from 4/84

1st number: 4/84, 2nd number: 1 2/8

4/84 - 10/8 is -101/84.

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,
    4/84 = 4 × 2/84 × 2 = 8/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    10/8 = 10 × 21/8 × 21 = 210/168
  4. Subtract the two fractions:
    8/168 - 210/168 = 8 - 210/168 = -202/168
  5. After reducing the fraction, the answer is -101/84

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