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Subtract 9/7 from 72/8

1st number: 9 0/8, 2nd number: 1 2/7

72/8 - 9/7 is 54/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 7 is 56

    Next, find the equivalent fraction of both fractional numbers with denominator 56
  2. For the 1st fraction, since 8 × 7 = 56,
    72/8 = 72 × 7/8 × 7 = 504/56
  3. Likewise, for the 2nd fraction, since 7 × 8 = 56,
    9/7 = 9 × 8/7 × 8 = 72/56
  4. Subtract the two like fractions:
    504/56 - 72/56 = 504 - 72/56 = 432/56
  5. After reducing the fraction, the answer is 54/7
  6. In mixed form: 75/7

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