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Subtract 4/35 from 3/21

3/21 - 4/35 is 1/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 35 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    3/21 = 3 × 5/21 × 5 = 15/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    4/35 = 4 × 3/35 × 3 = 12/105
  4. Subtract the two like fractions:
    15/105 - 12/105 = 15 - 12/105 = 3/105
  5. After reducing the fraction, the answer is 1/35

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