simplifying fractions?

can someone explain to me how i get the lcd(lowest common denominator) in a math problem such as (same question)5/8 and 3/12

Top 2 Answers

A few days ago

Healthy Teacher

Favorite Answer

If 3/12 is the same as 1/4 then the question could be rewritten like this:

Find the LCD of 5/8 and 1/4. The lowest common denominator (bottom number of the fraction) would be 8.

So 5/8 and 2/8 (which is the same as 1/4 or 3/12).

If you have to add them, then 5/8 + 2/8 = 7/8

this can also be represented as a decimal (0.875)

this can also be shown as a percentage (87.5% or round up to the nearest 10th to be 88%)

If you have to subtract them then 5/8 – 2/8 = 3/8

this can also be represented as a decimal (0.375)

as a percentage, this would be 37.5%

Hope this helps.

A few days ago

nothing2162010

well 3/12 is the same as 1/4 because 1*3=3 and 4*3=12

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