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Subtract 81/49 from 42/5

1st number: 8 2/5, 2nd number: 1 32/49

42/5 - 81/49 is 1653/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 49 is 245

    Next, find the equivalent fraction of both fractional numbers with denominator 245
  2. For the 1st fraction, since 5 × 49 = 245,
    42/5 = 42 × 49/5 × 49 = 2058/245
  3. Likewise, for the 2nd fraction, since 49 × 5 = 245,
    81/49 = 81 × 5/49 × 5 = 405/245
  4. Subtract the two like fractions:
    2058/245 - 405/245 = 2058 - 405/245 = 1653/245
  5. In mixed form: 6183/245

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