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Subtract 35/20 from 56/54

1st number: 1 2/54, 2nd number: 1 15/20

56/54 - 35/20 is -77/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 20 is 540
  2. For the 1st fraction, since 54 × 10 = 540,
    56/54 = 56 × 10/54 × 10 = 560/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    35/20 = 35 × 27/20 × 27 = 945/540
  4. Subtract the two fractions:
    560/540 - 945/540 = 560 - 945/540 = -385/540
  5. After reducing the fraction, the answer is -77/108

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