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Subtract 50/32 from 20/70

1st number: 20/70, 2nd number: 1 18/32

20/70 - 50/32 is -143/112.

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,
    20/70 = 20 × 16/70 × 16 = 320/1120
  3. Likewise, for the 2nd fraction, since 32 × 35 = 1120,
    50/32 = 50 × 35/32 × 35 = 1750/1120
  4. Subtract the two fractions:
    320/1120 - 1750/1120 = 320 - 1750/1120 = -1430/1120
  5. After reducing the fraction, the answer is -143/112

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