A cookie factory has 2,764 cookies currently being mixed and baked. Another 8,880 cookies are already baked. The factory supervi
sor calculates that they will have 11,644 cookies. Is the supervisor's calculation reasonable? Estimate the number of cookies by rounding the numbers to check the supervisor's calculation.
If you know the LCM then you divide it by the other number. If you don't already know it: is 8 a factor of 9 or do they have equal factors? No. Is 9 a factor of 8 or do they have equal factors? No. The easy way: multiply 8 by 9 to get LCM :)