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Subtract 9/28 from 35/21

1st number: 1 14/21, 2nd number: 9/28

35/21 - 9/28 is 113/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 28 is 84
  2. For the 1st fraction, since 21 × 4 = 84,
    35/21 = 35 × 4/21 × 4 = 140/84
  3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
    9/28 = 9 × 3/28 × 3 = 27/84
  4. Subtract the two fractions:
    140/84 - 27/84 = 140 - 27/84 = 113/84
  5. In mixed form: 129/84

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