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HELP!?! PLEASE!! Which pair of fractions shows 7/9 and 5/12 correctly converted with their least common denominator? A.28/36 and 15/36 B.34/36 and 29/36 C. 56/72 and 30/72 D. 84/108 and 45/108
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1 vote
HELP!?! PLEASE!! Which pair of fractions shows 7/9 and 5/12

correctly converted with their least common denominator?




A.28/36 and 15/36
B.34/36 and 29/36
C. 56/72 and 30/72
D. 84/108 and 45/108
User Mansoor Siddiqui
by
7.7k points

2 Answers

5 votes

Least\ common\ denominator:\\\\(7)/(9)\ \ \ (5)/(12)\ \ we\ need\ to\ find\ number\ which\ can\ be\ divided\ by\ 12\ and\ 9\\\\(7\cdot4)/(9\cdot4)\ \ \ (5\cdot3)/(12\cdot3)\\\\(28)/(36)\ \ \ (15)/(36)\\\\Answer\ A.
User David Kaczynski
by
7.8k points
7 votes
the common denominator number is (i mean at least) 36.
so when we multiply 7/9 with 4/4 . NOW we have 28/36.
for the other multiply 5/12 with 3/3 now we have 15/36.
the answer is A . hope it helps :) :)
User EMi
by
8.1k points
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