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Subtract 9/7 from 3/5

1st number: 3/5, 2nd number: 1 2/7

3/5 - 9/7 is -24/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35
  2. For the 1st fraction, since 5 × 7 = 35,
    3/5 = 3 × 7/5 × 7 = 21/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    9/7 = 9 × 5/7 × 5 = 45/35
  4. Subtract the two fractions:
    21/35 - 45/35 = 21 - 45/35 = -24/35

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