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Subtract 42/6 from 7/4

1st number: 1 3/4, 2nd number: 7 0/6

7/4 - 42/6 is -21/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 6 is 12

    Next, find the equivalent fraction of both fractional numbers with denominator 12
  2. For the 1st fraction, since 4 × 3 = 12,
    7/4 = 7 × 3/4 × 3 = 21/12
  3. Likewise, for the 2nd fraction, since 6 × 2 = 12,
    42/6 = 42 × 2/6 × 2 = 84/12
  4. Subtract the two like fractions:
    21/12 - 84/12 = 21 - 84/12 = -63/12
  5. After reducing the fraction, the answer is -21/4

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