There is a rectangular floor tile, each 45 cm long, 30 cm wide, at least how many such floor tiles can be paved into a square?

There is a rectangular floor tile, each 45 cm long, 30 cm wide, at least how many such floor tiles can be paved into a square?

The least common multiple of 45 30 is 90
At least 2x3 = 6 pieces
In the top right corner of my answer, click comment, and then you can choose satisfied, the problem has been solved perfectly