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Subtract 35/9 from 21/35

1st number: 21/35, 2nd number: 3 8/9

21/35 - 35/9 is -148/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 9 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 35 × 9 = 315,
    21/35 = 21 × 9/35 × 9 = 189/315
  3. Likewise, for the 2nd fraction, since 9 × 35 = 315,
    35/9 = 35 × 35/9 × 35 = 1225/315
  4. Subtract the two like fractions:
    189/315 - 1225/315 = 189 - 1225/315 = -1036/315
  5. After reducing the fraction, the answer is -148/45

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