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Subtract 8/40 from 20/12

1st number: 1 8/12, 2nd number: 8/40

20/12 - 8/40 is 22/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 40 is 120
  2. For the 1st fraction, since 12 × 10 = 120,
    20/12 = 20 × 10/12 × 10 = 200/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    8/40 = 8 × 3/40 × 3 = 24/120
  4. Subtract the two fractions:
    200/120 - 24/120 = 200 - 24/120 = 176/120
  5. After reducing the fraction, the answer is 22/15
  6. In mixed form: 17/15

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