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Subtract 21/8 from 30/5

1st number: 6 0/5, 2nd number: 2 5/8

30/5 - 21/8 is 27/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 5 × 8 = 40,
    30/5 = 30 × 8/5 × 8 = 240/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    21/8 = 21 × 5/8 × 5 = 105/40
  4. Subtract the two like fractions:
    240/40 - 105/40 = 240 - 105/40 = 135/40
  5. After reducing the fraction, the answer is 27/8
  6. In mixed form: 33/8

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