**New Learning Composite Mathematics Class 6 SK Gupta Anubhuti Gangal Fractions Chapter 5D Solution**

**(1)** (a) 18/27

18 and 27 have 3 and 9 as common factors so, they are not in their simplest form.

(b) 11/19

11 and 19 do not have any common factors so, they are in their simplest form.

(c) 38/114

38 and 114 have 2 as common factor. So, they are not in their somplest form.

(d) 14/15

14 and 15 do not have any common factors so, they are in their simplest form.

(2) (a) 6/10

∵ HCF = 2