1.The are 36 mangoes in a basket 7 are spoilt.

What fraction of mangoes are not spoiled?
2. A mason mould 40 bricks 13 got broken.
What fraction of the bricks is not broken?

1. There are 29 not-spoiled mangoes, so the fraction of mangoes that are not spoiled is 29/36.

2. There are 27 bricks that are not broken, so the fraction of bricks that are not broken is 27/40.