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Subtract 25/18 from 50/72

1st number: 50/72, 2nd number: 1 7/18

50/72 - 25/18 is -25/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 18 is 72
  2. For the 1st fraction, since 72 × 1 = 72,
    50/72 = 50 × 1/72 × 1 = 50/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    25/18 = 25 × 4/18 × 4 = 100/72
  4. Subtract the two fractions:
    50/72 - 100/72 = 50 - 100/72 = -50/72
  5. After reducing the fraction, the answer is -25/36

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