Question

Nandini’s house is `9/10` km from her school. She walked some distance and then took a bus for `1/2` km to reach the school. How far did she walk?

Answer 1

Distance of the school from house = `9/10` km

Distance she travelled by bus = `1/2` km

Distance walked by Nandini = Total distance of the school – Distance she travelled by bus

= `9/10 - 1/2`

= `[(9 × 1) - (1 × 5)]/10`

= `((9 - 5))/10`

= `4/10`

= `2/5` km

∴ Distance walked by Nandini is `2/5` km