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# math

Sat 9 May, 2009 03:53 am
The difference of two rational numbers is -6/25 , if the greater number is -4/9 , what is trhe smaller number?
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Type: Question • Score: 0 • Views: 803 • Replies: 2
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ebrown p

1
Sat 9 May, 2009 05:50 am
@ratu,
Hint: What is the lowest common denominator (actually any common denominator will do)?
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Brandon9000

1
Thu 25 Jun, 2009 07:20 am
x - (-4/9) = -6/25
x + 4/9 = -6/25

The lowest common denominator for 9 and 25 is 225.

x + 100/225 = -54/225
x = -54/225 - 100/225 = -154/225
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