Question

please solve me my question ⁉️⁉️​

Answer 1

I have attached a document. Please go through it for proper Explanation and Solution.

Answer 2

in 1) bracket 20/4 - 2/8

lcm will caried 40/8 - 2/8 = 38/8

in 2) bracket 16/20 - 38/8

lcm will caried 32/40 - 190/40 = -174/40

in 3) bracket 4/2 - (-158)/40

lcm will caried 80/40 + 158/40 = 258 /40

in 4) bracket 9/3 - 258/40

lcm will caried 360/120 - 774/120 = -414/120