Rationalise the Denominator
Question 1:
9
9
−
2
81
+
9
2
79
Question 2:
5
4
−
5
4
5
+
5
11
Question 3:
4
+
10
8
+
10
11
+
2
10
27
Question 4:
9
−
10
7
−
10
53
+
2
10
39
