Rationalise the Denominator
Question 1:
10
9
−
6
18
+
2
6
15
Question 2:
6
7
+
6
7
6
−
6
43
Question 3:
10
+
5
2
+
5
−
15
+
-8
5
Question 4:
8
−
10
7
−
10
46
+
10
39