LCD of 4 and 19 is 76.
The LCD for 19 and 2 is 38
4/19
38 can go into 1, 2, 19, and 38. 76 can go into 1, 2, 4, 19, 38, and 76.
The LCD of 3/8 and 1/4 is 8.
The factors of 38 are: 1, 2, 19, 38 The factors of 76 are: 1, 2, 4, 19, 38, 76
76 can be divided by 1, 2, 4, 19, 38 and 76.
The factors of 76 are 1, 2, 4, 19, 38, and 76
The factors of 38 are: 1, 2, 19, 38 The factors of 152 are: 1, 2, 4, 8, 19, 38, 76, 152
1, 2, 4, 19, 38, 76 (1 x 76, 2 x 38, 4 x 19)
(12/-19) divied by (6/38) = (12/-19) x (38/6) = 456/-114 = -4
It is 114