Answers

2014-11-14T18:50:12+08:00

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 12 \frac{1}{2} -  3 \frac{4}{5}

Make both fraction improper.

25 / 2 - 19 / 5

Change both into proper fraction. Get the LCD of the two.

(125 - 38) / 10 = 87 / 10
 =  8 \frac{7}{10}

 8 \frac{7}{10} meters were left of the pole.
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2014-11-17T21:37:39+08:00

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Change to decimal:
12 1/2=12.5
3 4/5=3.8

Subtract it:
12.5-3.8=8.7m
Or in fraction:
8 7/10
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