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Subtract 10/70 from 8/64

8/64 - 10/70 is -1/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 70 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 64 × 35 = 2240,
    8/64 = 8 × 35/64 × 35 = 280/2240
  3. Likewise, for the 2nd fraction, since 70 × 32 = 2240,
    10/70 = 10 × 32/70 × 32 = 320/2240
  4. Subtract the two like fractions:
    280/2240 - 320/2240 = 280 - 320/2240 = -40/2240
  5. After reducing the fraction, the answer is -1/56

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