Find the square of 4 5 .

Here, we have 4 5 To find the square of the fraction, we find separately the square of numerator and denominator. Thus, 4 5 2 = 4 × 4 5 × 5 = 16 25 Hence, the square of the given fraction is 16 25 .

Find the square of 6 7 .

Here, we have 6 7 To find the square of the fraction, we find separately the square of numerator and denominator. Thus, 6 7 2 = 6 × 6 7 × 7 = 36 49 Hence, the square of the given fraction is 36 49 .

Find the square of 8 10 .

Here, we have 8 10 To find the square of the fraction, we find separately the square of numerator and denominator. Thus, 8 10 2 = 8 × 8 10 × 10 = 64 100 Hence, the square of the given fraction is 64 100 .

Find the square of 11 12 .

Here, we have 11 12 To find the square of the fraction, we find separately the square of numerator and denominator. Thus, 11 12 2 = 11 × 11 12 × 12 = 121 144 Hence, the square of the given fraction is 121 144 .

Find the square root of 9 64 .

Here, we have 9 64 To find the square root of the fraction, we find separately the square root of numerator and denominator. Thus, 9 64 = 3 × 3 8 × 8 = 3 8 Hence, the square root of the given fraction is 3 8 .