Question

add the following rational number minus 7 upon 27 and 5 upon 18​

Answer 1

(27+ 5+ 18-7)/27

27+5+11)/27

I can't understand the question

Answer 2

Answer:

-7-27+5/18

making denominator equal

-126/486+135/486

=9/486

simplest form= 1/54