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Subtract 50/4 from 70/9

1st number: 7 7/9, 2nd number: 12 2/4

70/9 - 50/4 is -85/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 4 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 9 × 4 = 36,
    70/9 = 70 × 4/9 × 4 = 280/36
  3. Likewise, for the 2nd fraction, since 4 × 9 = 36,
    50/4 = 50 × 9/4 × 9 = 450/36
  4. Subtract the two like fractions:
    280/36 - 450/36 = 280 - 450/36 = -170/36
  5. After reducing the fraction, the answer is -85/18

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