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2014-11-20T20:03:08+08:00

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First convert it to decimal:
7/8=0.875
4/5=0.8

First add both of them mostly average:
0.875+0.8=1.675
Then divide it by 2
1.675/2=0.8375
Convert to fraction:
8375/10000
=1675/2000
=335/400
=67/80

The answer is 67/80 or 0.8375.

Hope this helps =)
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sorry i forgot to asked how did you convert it to decimal? and the last fraction did u simplify it? sorry im not good in math...
the last fraction was simplified and to convert it to decimal, use a calculater and divide the numerator to the denominator. Hope this helps =)
sorry its calculator not calculater
hahaha its ok no harm done thank you so much this was my daughter's assignment and im not really good in math that's why i seek help and find this page anyways thank you so much for helping me. GODLESSYOU
God bless you too =) Have a good day!