Question

Is it true that the sum of two repeating decimal is always repeating decimal​

Answer 1

no. it isn't necessary.

Explanation:

there are some cases where adding two repeating decimals results in a sum which does not have a repeating decimal. For example,

1 over 3

+

2 over 3

=

3 over 3

=1

. Thus, the sum of two repeating decimals is not always a repeating decimal.