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18 votes
18 votes
Find the question. 1/3 +(5/7)=

User Mike Bevz
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2 Answers

9 votes
9 votes
22/21 is the answer I think
User Oleg Pro
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2.8k points
17 votes
17 votes

Answer:

22/21

Explanation:

1/3 + 5/7

LCM of 3,7 = 3 x 7 = 21

1/3

= 1/3 x 7/7

= ( 1 x 7 )/( 3 x 7 )

= 7/21

5/7

= 5/7 x 3/3

= ( 5 x 3 )/( 7 x 3 )

= 15/21

1/3 + 5/7

= 7/21 + 15/21

= ( 7 + 15 )/21

= 22/21

User Romeo
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