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Subtract 21/32 from 16/70

16/70 - 21/32 is -479/1120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 32 is 1120
  2. For the 1st fraction, since 70 × 16 = 1120,
    16/70 = 16 × 16/70 × 16 = 256/1120
  3. Likewise, for the 2nd fraction, since 32 × 35 = 1120,
    21/32 = 21 × 35/32 × 35 = 735/1120
  4. Subtract the two fractions:
    256/1120 - 735/1120 = 256 - 735/1120 = -479/1120

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