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Subtract 9/42 from 4/35

4/35 - 9/42 is -1/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 35 × 6 = 210,
    4/35 = 4 × 6/35 × 6 = 24/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    9/42 = 9 × 5/42 × 5 = 45/210
  4. Subtract the two like fractions:
    24/210 - 45/210 = 24 - 45/210 = -21/210
  5. After reducing the fraction, the answer is -1/10

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