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Subtract 70/50 from 75/21

1st number: 3 12/21, 2nd number: 1 20/50

75/21 - 70/50 is 76/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 50 is 1050
  2. For the 1st fraction, since 21 × 50 = 1050,
    75/21 = 75 × 50/21 × 50 = 3750/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    70/50 = 70 × 21/50 × 21 = 1470/1050
  4. Subtract the two fractions:
    3750/1050 - 1470/1050 = 3750 - 1470/1050 = 2280/1050
  5. After reducing the fraction, the answer is 76/35
  6. In mixed form: 26/35

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