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Subtract 42/35 from 1/2

1st number: 1/2, 2nd number: 1 7/35

1/2 - 42/35 is -7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 35 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 2 × 35 = 70,
    1/2 = 1 × 35/2 × 35 = 35/70
  3. Likewise, for the 2nd fraction, since 35 × 2 = 70,
    42/35 = 42 × 2/35 × 2 = 84/70
  4. Subtract the two like fractions:
    35/70 - 84/70 = 35 - 84/70 = -49/70
  5. After reducing the fraction, the answer is -7/10

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