Question

Solve :- 3/5 × (-5/7) + 7/9 - 9/11 × 11/13.
please answer my question step by step.​

Answer 1

Answer:

-290/819

Step-by-step explanation:

3/5×(-5/7)+7/9-9/11×11/13

-3/7+7/9-9/11×11/13

-3/7+7/9-9/13

22/63-9/13

286-567/819

= -290/819

Answer 2

Answer:

follow BODMAS RULE

do all division

3/5= 0.6

-5/7 = - 0.714

7/9 = 0.777

9/11 = 0.818

11/13= 0.846

then multiplication

0.6 × - 0.714= -0.4284

0.818 × 0.846 = 0.692

then addition

-0.4284 + 0.777 - 0.692 = -0.3434