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Subtract 9/70 from 9/4

1st number: 2 1/4, 2nd number: 9/70

9/4 - 9/70 is 297/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 70 is 140
  2. For the 1st fraction, since 4 × 35 = 140,
    9/4 = 9 × 35/4 × 35 = 315/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    9/70 = 9 × 2/70 × 2 = 18/140
  4. Subtract the two fractions:
    315/140 - 18/140 = 315 - 18/140 = 297/140
  5. In mixed form: 217/140

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