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Subtract 28/5 from 42/4

1st number: 10 2/4, 2nd number: 5 3/5

42/4 - 28/5 is 49/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    42/4 = 42 × 5/4 × 5 = 210/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    28/5 = 28 × 4/5 × 4 = 112/20
  4. Subtract the two like fractions:
    210/20 - 112/20 = 210 - 112/20 = 98/20
  5. After reducing the fraction, the answer is 49/10
  6. In mixed form: 49/10

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