A square room is covered by a number of whole rectangular slabs of sides 60cm and 42cm. Calculate the least possible area of the room in square meters.

Answer 1

0.6 m * 0.4 m = 0.24 ^2 /slab
how any slabs?
n*.6 in length
m*.4 in width
6*n = 4*m min common multiple
12
6*2 and 4*3
so
2*.6 and 3*.4
1.2 * 1.2 =1.44

Answer 2

Answer