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Subtract 70/63 from 3/4

1st number: 3/4, 2nd number: 1 7/63

3/4 - 70/63 is -13/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252
  2. For the 1st fraction, since 4 × 63 = 252,
    3/4 = 3 × 63/4 × 63 = 189/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    70/63 = 70 × 4/63 × 4 = 280/252
  4. Subtract the two fractions:
    189/252 - 280/252 = 189 - 280/252 = -91/252
  5. After reducing the fraction, the answer is -13/36

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