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Subtract 80/21 from 50/36

1st number: 1 14/36, 2nd number: 3 17/21

50/36 - 80/21 is -305/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 21 is 252
  2. For the 1st fraction, since 36 × 7 = 252,
    50/36 = 50 × 7/36 × 7 = 350/252
  3. Likewise, for the 2nd fraction, since 21 × 12 = 252,
    80/21 = 80 × 12/21 × 12 = 960/252
  4. Subtract the two fractions:
    350/252 - 960/252 = 350 - 960/252 = -610/252
  5. After reducing the fraction, the answer is -305/126

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