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Subtract 10/80 from 4/18

4/18 - 10/80 is 7/72.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 18 × 40 = 720,
    4/18 = 4 × 40/18 × 40 = 160/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    10/80 = 10 × 9/80 × 9 = 90/720
  4. Subtract the two like fractions:
    160/720 - 90/720 = 160 - 90/720 = 70/720
  5. After reducing the fraction, the answer is 7/72

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