The answer of 17 + 123 is 140 and then minus 50 is 90
45 +45 ------ 90
1 100 + 50 + 90 + 45 _____ 285
90.
45
135
45 x 2 = 90 4 + 6 = 10 = 100
The sum of these numbers is 563.
GCF(45, 90) = 45 and so 45 + 90 = 45*(1 + 2).
90
90
1/9 + 5/10 = 10/90 + 45/90 = 55/90 = 11/18