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Subtract 5/21 from 10/4

1st number: 2 2/4, 2nd number: 5/21

10/4 - 5/21 is 95/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 21 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    10/4 = 10 × 21/4 × 21 = 210/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    5/21 = 5 × 4/21 × 4 = 20/84
  4. Subtract the two fractions:
    210/84 - 20/84 = 210 - 20/84 = 190/84
  5. After reducing the fraction, the answer is 95/42
  6. In mixed form: 211/42

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