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Subtract 21/5 from 6/2

1st number: 3 0/2, 2nd number: 4 1/5

6/2 - 21/5 is -6/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 5 is 10
  2. For the 1st fraction, since 2 × 5 = 10,
    6/2 = 6 × 5/2 × 5 = 30/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    21/5 = 21 × 2/5 × 2 = 42/10
  4. Subtract the two fractions:
    30/10 - 42/10 = 30 - 42/10 = -12/10
  5. After reducing the fraction, the answer is -6/5

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