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Subtract 35/90 from 12/7

1st number: 1 5/7, 2nd number: 35/90

12/7 - 35/90 is 167/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630
  2. For the 1st fraction, since 7 × 90 = 630,
    12/7 = 12 × 90/7 × 90 = 1080/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    35/90 = 35 × 7/90 × 7 = 245/630
  4. Subtract the two fractions:
    1080/630 - 245/630 = 1080 - 245/630 = 835/630
  5. After reducing the fraction, the answer is 167/126
  6. In mixed form: 141/126

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