if 2 quarters of the workers are working then what fraction of the workers are still unemployed ?

Try to divide the no by 4 to make it one quarter of a no.

WHich colour beed we are going to find ?

Find out the three- quarter of 20.

Think which two fractions are we supposed to add.

By what no. do we divide while we need half of a no.

Think by what no. do we divide while doing quarter of a no.

Think about the number we divide by while we do half of a number.

Think about half of the quantity.