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3 years ago

1/2 (4-k)=2/5 Distribute and find LCM

Mathematics

1 answer:

borishaifa [10]3 years ago

3 0

Answer:

20 -5k = 4
the LCM of the denominators is 10

Step-by-step explanation:

I find it convenient to do the problem in the reverse order: find the LCM, then distribute. That way, I'm not distributing a fraction.

The LCM of 2 and 5 is their product: 2·5 = 10. Multiplying the equation by 10 gives ...

5(4 -k) = 4

Now, distributing, we get ...

20 -5k = 4

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