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OpenStudy (anonymous):
what is the value of the expression 3/8 plus (-4/5) plus) plus 5/4?
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OpenStudy (agent47):
there is no way you have those two pluses before 5/4.
OpenStudy (anonymous):
oh sorry I meant one plus
OpenStudy (agent47):
ok so: 3/8-4/5+5/4 = ?
OpenStudy (anonymous):
yup
OpenStudy (agent47):
find the common denominator.
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OpenStudy (agent47):
something that is divisible by 8, 4, and 5.
OpenStudy (agent47):
That would be 40, so you can rewrite the equation as: (15 - 32 + 50)/40 = (65-32)/40
OpenStudy (agent47):
and then just simplify
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