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Subtract 9/70 from 7/5

1st number: 1 2/5, 2nd number: 9/70

7/5 - 9/70 is 89/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 70 is 70
  2. For the 1st fraction, since 5 × 14 = 70,
    7/5 = 7 × 14/5 × 14 = 98/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    9/70 = 9 × 1/70 × 1 = 9/70
  4. Subtract the two fractions:
    98/70 - 9/70 = 98 - 9/70 = 89/70
  5. In mixed form: 119/70

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