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Subtract 3/30 from 10/80

10/80 - 3/30 is 1/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 30 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    10/80 = 10 × 3/80 × 3 = 30/240
  3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
    3/30 = 3 × 8/30 × 8 = 24/240
  4. Subtract the two like fractions:
    30/240 - 24/240 = 30 - 24/240 = 6/240
  5. After reducing the fraction, the answer is 1/40

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