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Subtract 3/40 from 9/35

9/35 - 3/40 is 51/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 40 is 280
  2. For the 1st fraction, since 35 × 8 = 280,
    9/35 = 9 × 8/35 × 8 = 72/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    3/40 = 3 × 7/40 × 7 = 21/280
  4. Subtract the two fractions:
    72/280 - 21/280 = 72 - 21/280 = 51/280

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