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Subtract 45/10 from 15/4

1st number: 3 3/4, 2nd number: 4 5/10

15/4 - 45/10 is -3/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    15/4 = 15 × 5/4 × 5 = 75/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    45/10 = 45 × 2/10 × 2 = 90/20
  4. Subtract the two like fractions:
    75/20 - 90/20 = 75 - 90/20 = -15/20
  5. After reducing the fraction, the answer is -3/4

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