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Subtract 2/70 from 3/21

3/21 - 2/70 is 4/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    3/21 = 3 × 10/21 × 10 = 30/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    2/70 = 2 × 3/70 × 3 = 6/210
  4. Subtract the two like fractions:
    30/210 - 6/210 = 30 - 6/210 = 24/210
  5. After reducing the fraction, the answer is 4/35

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