Question

there are three rational numbers a, b, & c. where a=2/3 b=4/5 c= -5/6. Find a+(b+c)=(a+b)+c​

Answer 1

Answer:

associative property under addition in rational numbers hold

Answer 2

i guess that might be ur answer

2/3(4/5-5/6)=(2/3+4/5)-5/6

19/30=19/30