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Subtract 8/42 from 8/5

1st number: 1 3/5, 2nd number: 8/42

8/5 - 8/42 is 148/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 5 × 42 = 210,
    8/5 = 8 × 42/5 × 42 = 336/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    8/42 = 8 × 5/42 × 5 = 40/210
  4. Subtract the two like fractions:
    336/210 - 40/210 = 336 - 40/210 = 296/210
  5. After reducing the fraction, the answer is 148/105
  6. In mixed form: 143/105

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