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Subtract 1/40 from 42/5

1st number: 8 2/5, 2nd number: 1/40

42/5 - 1/40 is 67/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 40 is 40
  2. For the 1st fraction, since 5 × 8 = 40,
    42/5 = 42 × 8/5 × 8 = 336/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    1/40 = 1 × 1/40 × 1 = 1/40
  4. Subtract the two fractions:
    336/40 - 1/40 = 336 - 1/40 = 335/40
  5. After reducing the fraction, the answer is 67/8
  6. In mixed form: 83/8

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