17/21 + 1/3 - 5/7 thank you!

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Shenglin Chen asked Jul 8, 2023

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18 votes

17/21 + 1/3 - 5/7 thank you!

Mathematics
high-school

Shenglin Chen asked Jul 8, 2023

by Shenglin Chen

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2 Answers

7 votes

Answer:

3/7

Explanation:

change all denominators to 21

{21 is the lcd of all the numbers)

17/21 x 1= 17/21

1/3 x 7 = 7/21

5/7 x 3 = 15/21

17/21 + 7/21 - 15/21

24/21-5/21

9/21

reduce by three

9/21÷3

3/7

EightyEight answered Jul 9, 2023

by EightyEight

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19 votes

Answer:3/7

Explanation:

Malwinder Singh answered Jul 15, 2023

by Malwinder Singh

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