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Subtract 40/21 from 70/96

1st number: 70/96, 2nd number: 1 19/21

70/96 - 40/21 is -395/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 96 and 21 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 96 × 7 = 672,
    70/96 = 70 × 7/96 × 7 = 490/672
  3. Likewise, for the 2nd fraction, since 21 × 32 = 672,
    40/21 = 40 × 32/21 × 32 = 1280/672
  4. Subtract the two like fractions:
    490/672 - 1280/672 = 490 - 1280/672 = -790/672
  5. After reducing the fraction, the answer is -395/336

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