amicnadi
Answered

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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

Sagot :

luana
[tex]Least\ common\ denominator:\\\\\frac{7}{9}\ \ \ \frac{5}{12}\ \ we\ need\ to\ find\ number\ which\ can\ be\ divided\ by\ 12\ and\ 9\\\\\frac{7\cdot4}{9\cdot4}\ \ \ \frac{5\cdot3}{12\cdot3}\\\\\frac{28}{36}\ \ \ \frac{15}{36}\\\\Answer\ A. [/tex]
www123gul
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 :) :) 
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