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Subtract 84/50 from 42/64

1st number: 42/64, 2nd number: 1 34/50

42/64 - 84/50 is -819/800.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 50 is 1600

    Next, find the equivalent fraction of both fractional numbers with denominator 1600
  2. For the 1st fraction, since 64 × 25 = 1600,
    42/64 = 42 × 25/64 × 25 = 1050/1600
  3. Likewise, for the 2nd fraction, since 50 × 32 = 1600,
    84/50 = 84 × 32/50 × 32 = 2688/1600
  4. Subtract the two like fractions:
    1050/1600 - 2688/1600 = 1050 - 2688/1600 = -1638/1600
  5. After reducing the fraction, the answer is -819/800

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