Question

Ronald and Tim both did their laundry today. Ronald does laundry every 666 days and Tim does laundry every 999 days.
How many days will it be until Ronald and Tim both do laundry on the same day again?

Answer 1

Answer:

189 days

Step-by-step explanation:

you have to take LCM of these 2 values

666,999

LCM of 666 = 2×3×3×3×7

and 999= 3×3×3×3×7 thus LCM of these are 7×3×3×3

= 21×9

=189

thus after 189 days they both do laundry on same day