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Subtract 8/6 from 21/5

1st number: 4 1/5, 2nd number: 1 2/6

21/5 - 8/6 is 43/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 6 is 30
  2. For the 1st fraction, since 5 × 6 = 30,
    21/5 = 21 × 6/5 × 6 = 126/30
  3. Likewise, for the 2nd fraction, since 6 × 5 = 30,
    8/6 = 8 × 5/6 × 5 = 40/30
  4. Subtract the two fractions:
    126/30 - 40/30 = 126 - 40/30 = 86/30
  5. After reducing the fraction, the answer is 43/15
  6. In mixed form: 213/15

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