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Subtract 56/18 from 42/50

1st number: 42/50, 2nd number: 3 2/18

42/50 - 56/18 is -511/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 18 is 450
  2. For the 1st fraction, since 50 × 9 = 450,
    42/50 = 42 × 9/50 × 9 = 378/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    56/18 = 56 × 25/18 × 25 = 1400/450
  4. Subtract the two fractions:
    378/450 - 1400/450 = 378 - 1400/450 = -1022/450
  5. After reducing the fraction, the answer is -511/225

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