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Subtract 70/42 from 4/54

1st number: 4/54, 2nd number: 1 28/42

4/54 - 70/42 is -43/27.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 42 is 378
  2. For the 1st fraction, since 54 × 7 = 378,
    4/54 = 4 × 7/54 × 7 = 28/378
  3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
    70/42 = 70 × 9/42 × 9 = 630/378
  4. Subtract the two fractions:
    28/378 - 630/378 = 28 - 630/378 = -602/378
  5. After reducing the fraction, the answer is -43/27

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