Question

using the appropriate properties of addition find the value of each of the following sums. ​

Answer 1

Answer:

34/21

Step-by step explanation -

By grouping of addition,

5/7+(-7/3)+(-3/7)+11/3

= 5/7+(-3/7)+(-7/3)+11/3

= 2/7+4/3

taking LCM (7,3)=21

2/7 = 6/21, 4/3 = 28/21

= 6/21+28/21

=34/21

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