16c+24d = 8(2c+3d)
48x+60y = 12(4x+5y)
18a+45b= 9(2a+5b)
28c+63d = 7(4c+9d)
49m+21n = 7(7m+3n)
15m+25n = 5(3m+5n)
16c+24d = 8(2c+3d)
48x+60y = 12(4x+5y)
18a+45b= 9(2a+5b)
28c+63d = 7(4c+9d)
49m+21n = 7(7m+3n)
15m+25n = 5(3m+5n)