Question

if a,b,c are three rational numbers where a=2/3 , b=4/5 and c=_5/6 verify : a+(b+c)=(a+b)+c​

Answer 1

Answer:

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

2/3+(24+25/30)=(10+12/15)+5/6

2/3+49/30=22/15+5/6

20+49/30=44+25/30

69/30=69/30

HENSE VERIFIED