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Subtract 10/9 from 70/7

1st number: 10 0/7, 2nd number: 1 1/9

70/7 - 10/9 is 80/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63
  2. For the 1st fraction, since 7 × 9 = 63,
    70/7 = 70 × 9/7 × 9 = 630/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    10/9 = 10 × 7/9 × 7 = 70/63
  4. Subtract the two fractions:
    630/63 - 70/63 = 630 - 70/63 = 560/63
  5. After reducing the fraction, the answer is 80/9
  6. In mixed form: 88/9

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