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Subtract 25/18 from 98/80

1st number: 1 18/80, 2nd number: 1 7/18

98/80 - 25/18 is -59/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 18 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    98/80 = 98 × 9/80 × 9 = 882/720
  3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
    25/18 = 25 × 40/18 × 40 = 1000/720
  4. Subtract the two like fractions:
    882/720 - 1000/720 = 882 - 1000/720 = -118/720
  5. After reducing the fraction, the answer is -59/360

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