How many floor tiles do you need to make a square with a rectangular floor tile 45 cm long and 30 cm wide?
The least common multiple of 45 and 30 is 90, (90 / 45) × (90 / 30) = 6 pieces. At least 6 pieces are needed to make a square
The least common multiple of 45 and 30 is 90, (90 / 45) × (90 / 30) = 6 pieces. At least 6 pieces are needed to make a square