Question

20. (3) Let the smallest number be ( x ). Therefore, ( frac{11}{4+x} ) is proper fraction.
( therefore quad 4+x>11 )
( Rightarrow quad x>11-4=7 )
( Rightarrow quad x>7 )
( Rightarrow quad x=8 )
( [because x ) should be minimum]

# 11 20. Find the smallest number to be added to the denominator of to get a proper fraction (1) 6 (2) 7 (3) 8 (4) 9

Solution