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GaryK [48]
3 years ago
14

I need help with adding and subtracting fractions

Mathematics
2 answers:
solmaris [256]3 years ago
7 0
Answer is 3/72

multiply the denominator and numerator of 3/8 by 9 (27/72)
multiply the denominator and numerator of 3/9 by 8 (24/72)

this is to get the same denominator of 72

then just subtract 
27/72 - 24/72 = 3/72

balu736 [363]3 years ago
4 0
Answer:
The result is 1/24

Explanation:
First step is to get the common denominator:
The common denominator here will be 8*9 = 72
Therefore:
3/8 = 27/72
3/9 = 24/72

Second step is to do the subtraction:
27/72 - 24/72 = (27-24) / 72 = 3/72

The last step is to simplify the result:
3/72 = 1/24

Hope this helps :)
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2 years ago
Solve for (f+g)(5) if f(x)=6x+3 and g(x)=x-4 show you work please
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There are two ways to do this.

The first way is to algebraically find (f+g)(x) first and plug in x = 5 later. Doing that method leads us to
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OR

you can compute f(5) and g(5) first, then add up those sub-results to get
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