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Subtract 10/4 from 2/21

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

2/21 - 10/4 is -101/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 4 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    2/21 = 2 × 4/21 × 4 = 8/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    10/4 = 10 × 21/4 × 21 = 210/84
  4. Subtract the two fractions:
    8/84 - 210/84 = 8 - 210/84 = -202/84
  5. After reducing the fraction, the answer is -101/42

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