Question

A rectangular courtyard is 20m 16 cm long and 15m 60 cm broad. it is paves with square tiles of the same size. find the least possible number of such tiles

explain I detail,show the full process and calculations not just the answers.​

Answer 1

$size \: of \: the \: squre \: stone \: = (h.c.f . \: of \: 2016 \: and1560) \: \\ \\ least \: numerbs \: of \: stones \: = \\ \frac{area \: of \: courtyard}{area \: of \: one \: stone} \: = \frac{2016 \times 1560}{24 \times 24} = 5460$