Question

Using the appropriate properties of operations of rational numbers evaluate the following: (I) 2/5*-3/7-1/14-3/7*3/5​

Answer 1

Answer:

-1/2

Step-by-step explanation:

2/5*-3/7-1/14-3/7*3/5 given

1. -6/35-1/4-9/35 (multiply 2/3 by -3/7 = -6/35 and 3/7 by 3/5)
2. -12-5-18/70 (take lcm of 35,14,7,5 and the lcm = 70)
3. -35/70 = -1/2 Ans