Question

Aman painted 1/4 of a wall. Arun painted 2/5 of the same wall. How much part of the wall remain unpainted?​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Aman painted walls part =1/4

Arun painted walls part =2/5

unpainted walls part =2/5-1/4

L.C.M of 5 and 4 is 20

2*4-1*5/20

=8-5/20

= 3/20. Ans.