Divide the sum of 12/5 and 13/ 7 by the product of -4/7 and -1/2
Answers
Answer:
Answer:
149/10 [OR] 14.9
Step-by-step explanation:
12 13 (12×7) + (13×5)
------ + ------ = -------------------- [Taking LCM]
5 7 35
84 + 65
= ---------------
35
149
= -------------- ...................(i)
35
Now,
-4 -1 4
--------- × -------- = ----------------
7 2 14
2
= -------------- .....................(ii)
7
Therefore,
Dividing (i) and (ii), we get:
149
------
35 149 × 7
-------------------------- = --------------------
2 35 × 2
----
7
149 × 1 149
= ------------------ = ---------------
5 × 2 10
= 14.9