Question

( 2/5 + 2/3 - 4/15) × (4/21 - 2/7 + 2/3)​

Answer 1

Answer:

here

Step-by-step explanation:

(2/5+2/3-4/15)*(4/21-2/7+2/3)

(6+10-4/15)*(4-6+14/21)

12/15*12/21

144/315 this is the correct answer