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Subtract 16/70 from 8/45

8/45 - 16/70 is -16/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630
  2. For the 1st fraction, since 45 × 14 = 630,
    8/45 = 8 × 14/45 × 14 = 112/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    16/70 = 16 × 9/70 × 9 = 144/630
  4. Subtract the two fractions:
    112/630 - 144/630 = 112 - 144/630 = -32/630
  5. After reducing the fraction, the answer is -16/315

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