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Subtract 40/10 from 7/4

1st number: 1 3/4, 2nd number: 4 0/10

7/4 - 40/10 is -9/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    7/4 = 7 × 5/4 × 5 = 35/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    40/10 = 40 × 2/10 × 2 = 80/20
  4. Subtract the two fractions:
    35/20 - 80/20 = 35 - 80/20 = -45/20
  5. After reducing the fraction, the answer is -9/4

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