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Subtract 75/45 from 98/72

1st number: 1 26/72, 2nd number: 1 30/45

98/72 - 75/45 is -11/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    98/72 = 98 × 5/72 × 5 = 490/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    75/45 = 75 × 8/45 × 8 = 600/360
  4. Subtract the two like fractions:
    490/360 - 600/360 = 490 - 600/360 = -110/360
  5. After reducing the fraction, the answer is -11/36

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