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Subtract 63/40 from 8/6

1st number: 1 2/6, 2nd number: 1 23/40

8/6 - 63/40 is -29/120.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 6 × 20 = 120,
    8/6 = 8 × 20/6 × 20 = 160/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    63/40 = 63 × 3/40 × 3 = 189/120
  4. Subtract the two like fractions:
    160/120 - 189/120 = 160 - 189/120 = -29/120

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