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OpenStudy (anonymous):
Add and answer in simplest fractional form. -1/5 + -3/4 = A. -4/9 B. -19/20 C. -4/20
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OpenStudy (anonymous):
a
sam (.sam.):
b
OpenStudy (anonymous):
im not sure
sam (.sam.):
\[(-1/5)-(3/4) = -\] Its B
sam (.sam.):
use your calculator
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OpenStudy (anonymous):
k
OpenStudy (anonymous):
you are right
OpenStudy (anonymous):
You've got to find the lowest common denominator, which is 20 here. Then multiply both fractions by a number that will give you something over 20. Also, both fractions are negative. (4/4)(-1/5) + (5/5)(-3/4) = -(4/20) - (15/20) = -19/20 = Answer B
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