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Subtract 56/21 from 30/2

1st number: 15 0/2, 2nd number: 2 14/21

30/2 - 56/21 is 37/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 21 is 42
  2. For the 1st fraction, since 2 × 21 = 42,
    30/2 = 30 × 21/2 × 21 = 630/42
  3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
    56/21 = 56 × 2/21 × 2 = 112/42
  4. Subtract the two fractions:
    630/42 - 112/42 = 630 - 112/42 = 518/42
  5. After reducing the fraction, the answer is 37/3
  6. In mixed form: 121/3

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