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Subtract 15/5 from 30/4

1st number: 7 2/4, 2nd number: 3 0/5

30/4 - 15/5 is 9/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 4 × 5 = 20,
    30/4 = 30 × 5/4 × 5 = 150/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    15/5 = 15 × 4/5 × 4 = 60/20
  4. Subtract the two like fractions:
    150/20 - 60/20 = 150 - 60/20 = 90/20
  5. After reducing the fraction, the answer is 9/2
  6. In mixed form: 41/2

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