Rationalise the Denominator
Question 1:
7
9
+
6
63
−
7
6
75
Question 2:
2
5
−
2
5
2
+
2
23
Question 3:
10
+
7
7
−
7
77
+
17
7
42
Question 4:
6
+
10
10
−
10
35
+
8
10
45
