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Subtract 3/40 from 27/7

1st number: 3 6/7, 2nd number: 3/40

27/7 - 3/40 is 1059/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280
  2. For the 1st fraction, since 7 × 40 = 280,
    27/7 = 27 × 40/7 × 40 = 1080/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  4. Subtract the two fractions:
    1080/280 - 21/280 = 1080 - 21/280 = 1059/280
  5. In mixed form: 3219/280

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