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Subtract 12/70 from 35/84

35/84 - 12/70 is 103/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    35/84 = 35 × 5/84 × 5 = 175/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    12/70 = 12 × 6/70 × 6 = 72/420
  4. Subtract the two like fractions:
    175/420 - 72/420 = 175 - 72/420 = 103/420

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