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Subtract 42/10 from 4/28

1st number: 4/28, 2nd number: 4 2/10

4/28 - 42/10 is -142/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 10 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    4/28 = 4 × 5/28 × 5 = 20/140
  3. Likewise, for the 2nd fraction, since 10 × 14 = 140,
    42/10 = 42 × 14/10 × 14 = 588/140
  4. Subtract the two like fractions:
    20/140 - 588/140 = 20 - 588/140 = -568/140
  5. After reducing the fraction, the answer is -142/35

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