Question

Using the appropriate properties of addition, find the value of the following sum​

Answer 1

Step-by-step explanation:

34/21 + 68/21

102/21

Hope it helps you

Answer 2

Answer:

find the LCM of 7 and 3 =21

so we should multiply 5/7 * 3 = 15/21   -7/3*7=-49/21

now add 15/21 and -49/21= -34/21 MAKE IT INTO MIXED FRACTION= 1 14/21

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