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Subtract 4/6 from 42/70

42/70 - 4/6 is -1/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 6 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    42/70 = 42 × 3/70 × 3 = 126/210
  3. Likewise, for the 2nd fraction, since 6 × 35 = 210,
    4/6 = 4 × 35/6 × 35 = 140/210
  4. Subtract the two like fractions:
    126/210 - 140/210 = 126 - 140/210 = -14/210
  5. After reducing the fraction, the answer is -1/15

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