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Subtract 45/70 from 72/8

1st number: 9 0/8, 2nd number: 45/70

72/8 - 45/70 is 117/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 8 × 35 = 280,
    72/8 = 72 × 35/8 × 35 = 2520/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    45/70 = 45 × 4/70 × 4 = 180/280
  4. Subtract the two like fractions:
    2520/280 - 180/280 = 2520 - 180/280 = 2340/280
  5. After reducing the fraction, the answer is 117/14
  6. In mixed form: 85/14

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