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Mathematics 8 Online
OpenStudy (anonymous):

add and simplify 7/9 + 1/6

OpenStudy (anonymous):

use the same cross multiplication method here

OpenStudy (anonymous):

The reason you do that is it makes the denominator the same. The denominators must be the same in order to perform addition or subtraction.

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

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