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Subtract 70/42 from 4/27

1st number: 4/27, 2nd number: 1 28/42

4/27 - 70/42 is -41/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 42 is 378

    Next, find the equivalent fraction of both fractional numbers with denominator 378
  2. For the 1st fraction, since 27 × 14 = 378,
    4/27 = 4 × 14/27 × 14 = 56/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    70/42 = 70 × 9/42 × 9 = 630/378
  4. Subtract the two like fractions:
    56/378 - 630/378 = 56 - 630/378 = -574/378
  5. After reducing the fraction, the answer is -41/27

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