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Subtract 10/5 from 7/4

1st number: 1 3/4, 2nd number: 2 0/5

7/4 - 10/5 is -1/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 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 5 × 4 = 20,
    10/5 = 10 × 4/5 × 4 = 40/20
  4. Subtract the two like fractions:
    35/20 - 40/20 = 35 - 40/20 = -5/20
  5. After reducing the fraction, the answer is -1/4

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