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Subtract 4/7 from 4/10

4/10 - 4/7 is -6/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 10 × 7 = 70,
    4/10 = 4 × 7/10 × 7 = 28/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    4/7 = 4 × 10/7 × 10 = 40/70
  4. Subtract the two like fractions:
    28/70 - 40/70 = 28 - 40/70 = -12/70
  5. After reducing the fraction, the answer is -6/35

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