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Mathematics 8 Online
OpenStudy (anonymous):

whats 6\4 *4\21 simplify

OpenStudy (anonymous):

2/7 6*4/4*21 (you can cross out the 4's, they cancel each other) Then 6/21 reduces to 2/7 (divide numerator and denominator both by 3)

jhonyy9 (jhonyy9):

2/7

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