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Subtract 28/7 from 4/5

1st number: 4/5, 2nd number: 4 0/7

4/5 - 28/7 is -16/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35

    Next, find the equivalent fraction of both fractional numbers with denominator 35
  2. For the 1st fraction, since 5 × 7 = 35,
    4/5 = 4 × 7/5 × 7 = 28/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    28/7 = 28 × 5/7 × 5 = 140/35
  4. Subtract the two like fractions:
    28/35 - 140/35 = 28 - 140/35 = -112/35
  5. After reducing the fraction, the answer is -16/5

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