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Subtract 70/9 from 27/8

1st number: 3 3/8, 2nd number: 7 7/9

27/8 - 70/9 is -317/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    27/8 = 27 × 9/8 × 9 = 243/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    70/9 = 70 × 8/9 × 8 = 560/72
  4. Subtract the two like fractions:
    243/72 - 560/72 = 243 - 560/72 = -317/72

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