Answer:
7 - 9.8g
Step-by-step explanation:

Hope this helps.
Answer:

Step-by-step explanation:
Given expression is,

First equalize the denominators of the fractions,

Now combine the fraction as a single fraction,

Since, we can not solve this fraction further, this will be simplified form of the given expression.
Step-by-step explanation:
hope it helps you!!!!!!!!!!