Question 3(d) :
Replace □ in each of the following by the correct number:
4560=15□
The fractions given in the question are equal.
∴ They are equivalent.
To find an equivalent fraction of a given fraction, we may multiply or divide both the numerator and the denominator of the given fraction by the same number.
For the given fraction 4560, we divide both the numerator and the denominator by 3. (∵45÷15=3)
4560=45 ÷ 360 ÷ 3=1520
∴ We replace □ by 20.