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Subtract 9/10 from 8/35

8/35 - 9/10 is -47/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 10 is 70
  2. For the 1st fraction, since 35 × 2 = 70,
    8/35 = 8 × 2/35 × 2 = 16/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    9/10 = 9 × 7/10 × 7 = 63/70
  4. Subtract the two fractions:
    16/70 - 63/70 = 16 - 63/70 = -47/70

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