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Subtract 25/10 from 1/72

1st number: 1/72, 2nd number: 2 5/10

1/72 - 25/10 is -179/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 10 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    1/72 = 1 × 5/72 × 5 = 5/360
  3. Likewise, for the 2nd fraction, since 10 × 36 = 360,
    25/10 = 25 × 36/10 × 36 = 900/360
  4. Subtract the two like fractions:
    5/360 - 900/360 = 5 - 900/360 = -895/360
  5. After reducing the fraction, the answer is -179/72

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