Rationalise the Denominator
Question 1:
2
6
+
5
12
−
2
5
31
Question 2:
5
1
+
5
−
5
−
5
4
Question 3:
2
+
5
7
−
5
19
+
9
5
44
Question 4:
9
+
2
7
−
2
65
+
16
2
47