The LCF is 45 because 15 x 3 equals 45 and 9 x 5 equals 45. Now, multiply 8 x 3 to get 24 and 2 x 5 equals 10. 24 plus 10 equals 34. The answer is 34 over 45.
79
It depends on what x and y are.
66.
17 plus 15 plus 13 equals 45.
The LCF is 45 because 15 x 3 equals 45 and 9 x 5 equals 45. Now, multiply 8 x 3 to get 24 and 2 x 5 equals 10. 24 plus 10 equals 34. The answer is 34 over 45.
79
It depends on what x and y are.
66.
17 plus 15 plus 13 equals 45.
34 = 81
45 + 9 = 54
45 + 6 = 51
A equals 20.
45
83
2+45 = 47