8/25- 1/20 subtract and simplify?

2009-08-14 5:32 am

回答 (5)

2009-08-14 7:17 am

✔ 最佳答案

least common factor is 100
so
8x4/25x4 - 5/20 x 5=
32/100 - 5/100=
27/100

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2009-08-14 4:46 pm

32/100 - 5/100

27/100

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2009-08-14 12:38 pm

8/25- 1/20
=(32-5)/100
=27/100

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2009-08-14 12:37 pm

The LCD (Least Common Denominator) = 100. So 8/25= 32/100.
And 1/20= 5/100. SOO
32-5= 27.
27/100 or .27 is the answer.

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2009-08-14 12:36 pm

8/25 - 1/20
= (8 x 4)/(25 x 4) - (1 x 5)/(20 x 5)
= 32/100 - 5/100
= 27/100

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