Solve the following exercise:
Solve the following exercise:
To solve the division , we use the method of multiplying by the reciprocal of the divisor.
First, identify the reciprocal of the divisor . The reciprocal is obtained by swapping the numerator and denominator, resulting in .
Next, replace the division operation with multiplication by the reciprocal:
.
Now, perform the multiplication of the fractions by multiplying numerator by numerator and denominator by denominator:
.
Simplify the fraction by finding the greatest common divisor. Both 30 and 20 can be divided by 10:
.
The simplified fraction can also be expressed as a mixed number:
.
Therefore, the solution to the problem is , aligning with choice 1.