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Subtract 75/50 from 70/49

1st number: 1 21/49, 2nd number: 1 25/50

70/49 - 75/50 is -1/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 50 is 2450

    Next, find the equivalent fraction of both fractional numbers with denominator 2450
  2. For the 1st fraction, since 49 × 50 = 2450,
    70/49 = 70 × 50/49 × 50 = 3500/2450
  3. Likewise, for the 2nd fraction, since 50 × 49 = 2450,
    75/50 = 75 × 49/50 × 49 = 3675/2450
  4. Subtract the two like fractions:
    3500/2450 - 3675/2450 = 3500 - 3675/2450 = -175/2450
  5. After reducing the fraction, the answer is -1/14

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