Convert mixed fractions into improper fractions and vice versa:
\(i)\ 3{7\over 18}\)
\(ii)\ {99\over7}\)
\(iii)\ {47\over6}\)
\(iv)\ 12{1\over9}\)

Divide the following :
\(i) \ {3\over7}\div4\)
\(ii)\ {4\over3}\div{5\over9}\)
\(iii)\ 4{1\over5}\div3{3\over 4}\)
\(iv)\ 9{2\over3}\div1{2\over3}\)

A painter painted \(3\over8\) of the wall of which one third is painted in yellow colour. What fraction is the yellow colour of the entire wall?

Look at the picture and answer the following questions:

i) What is the distance from School to Library via Bus stop?
ii) What is the distance between School and Library via Hospital?
iii) Which is the shortest distance between (i) and (ii)?
iv) The distance between School and Hospital is ________ times the distance between School and Bus stop.

Using the given fractions \(\cfrac { 1 }{ 5 } ,\cfrac { 1 }{ 6 } ,\cfrac { 1 }{ 10 } ,\cfrac { 1 }{ 15 } ,\cfrac { 2 }{ 15 } ,\cfrac { 4 }{ 15 } ,\cfrac { 1 }{ 30 } ,\cfrac { 7 }{ 30 } \) and \(\cfrac { 9 }{ 36 } \)  fiIl in the missing  ones in the given -3 \(\times\) 3 square in such a way that the addition of fractions through rows, columns and diagonals give the same total

	\(\cfrac { 1 }{ 30 } \)
\(\cfrac { 2 }{ 15 } \)