SOLUTION: Could you help me solve this algebraic expression? 6a+8b. a=4/5, b=3/5

Question 206504: Could you help me solve this algebraic expression? 6a+8b. a=4/5, b=3/5

Found 2 solutions by jim_thompson5910, rfer:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.

Plug in and

Multiply the fractions

Multiply

Combine the fractions. This is possible since the fractions have equal denominators.

Add

So when and
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
6a+8b
6(4/5)+8(3/5)
24/5+24/5=48/5=9 3/5
Remember that the 6 and the 8 are the same as 6/1 and 8/1
and you can multiply fractions directly without common denominators.
Then just add the fraction because 5 is your common denomintor for this addition.
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