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Subtract 4/70 from 42/75

42/75 - 4/70 is 88/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 70 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 75 × 14 = 1050,
    42/75 = 42 × 14/75 × 14 = 588/1050
  3. Likewise, for the 2nd fraction, since 70 × 15 = 1050,
    4/70 = 4 × 15/70 × 15 = 60/1050
  4. Subtract the two like fractions:
    588/1050 - 60/1050 = 588 - 60/1050 = 528/1050
  5. After reducing the fraction, the answer is 88/175

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