15 x 11
5 + 2 = 7
It is not possible to express something as a sum of whole numbers with no common factor. All whole numbers have at least 1 as a common factor.
(5 x 6) + (9 x 6) = 14 x 6 = 84
3 is a common factor but not the Greatest common factor.
try 45 and 10 maybe?
12(6 + 5)
16 and 12
27 and 36
18 and 81
Answer: 276
Their greatest common factor is 27
15 x 11
336 and 48
256
W(1 + 1)
90 and 9