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Subtract 7/5 from 42/2

1st number: 21 0/2, 2nd number: 1 2/5

42/2 - 7/5 is 98/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 5 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 2 × 5 = 10,
    42/2 = 42 × 5/2 × 5 = 210/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    7/5 = 7 × 2/5 × 2 = 14/10
  4. Subtract the two like fractions:
    210/10 - 14/10 = 210 - 14/10 = 196/10
  5. After reducing the fraction, the answer is 98/5
  6. In mixed form: 193/5

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