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what is 1/6+5/8=

2006-08-17 15:16:11 · 11 answers · asked by justina p 1 in Science & Mathematics Mathematics

11 answers

1/6 + 5/8 = 4/24 + 15/24 = 19/24

Do you see that the lowest common denominator is 24?

2006-08-17 15:22:01 · answer #1 · answered by Benny 2 · 0 0

1/6+5/8 =(1/6)(4/4) +(5/8)(3/3) = 4/24 + 15/24 = 19/24

2006-08-17 15:20:56 · answer #2 · answered by rt11guru 6 · 0 0

First, in order to add fractions, the denominators must be the same. Prime factor both numbers in the denominator:
6 = 2 x 3
8 = 2 x 2 x 2
Next find lowest common denominator (LCD) by looking at all prime numbers for both numbers and selecting the largest occurance of each prime number:
Only 2's and 3's are used in this example.
2's - Largest group is 3 of them (this occurs in the prime factoring of 8)
3's - Largest and only group is 1 of them (occuring in 6)
Take both of these largest groups (three 2's and one 3), multiply them together.
and this is your LCD.
LCD = 2 x 2 x 2 x 3 = 24
1/6 = 1/2x3
5/8 = 5/2x2x2
To change 1/6 so that 24 is in the denominator, multiply it by 4/4.
It then becomes 4/24.
Change 5/8 by multiplying the it by 3/3. It becomes 15/24.
The values of the fractions haven't changed, but now you can add them since the denominators are the same.
Thus, 4/24 + 15/24 = 19/24
I'll be glad to answer additional questions.

2006-08-17 15:40:05 · answer #3 · answered by Rozz 3 · 1 0

19/24

2006-08-17 17:57:30 · answer #4 · answered by The Apostle 2 · 0 0

19/24

2006-08-17 16:29:17 · answer #5 · answered by Navdeep B 3 · 0 0

19/24

2006-08-17 15:23:40 · answer #6 · answered by Anonymous · 0 0

19/24

2006-08-17 15:21:00 · answer #7 · answered by Brandon 2 · 0 0

1/6- 4/24
5/8- 15/24

15 + 4 = 19/24.

2006-08-19 10:44:12 · answer #8 · answered by Anonymous · 0 0

well, first you gott get a common denominator

looks like 24 will work

1/6=4/24

5/8=15/24

4/24+15/24=19/24

doesn't look like we can reduce 19/24 any, so thats the answer

keep at it

2006-08-17 15:21:11 · answer #9 · answered by enginerd 6 · 1 0

38/48=19/24

2006-08-17 17:24:31 · answer #10 · answered by Anonymous · 0 0

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