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Use benchmarks to estimate the sum or difference- 1) 17/18-3/7
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1 vote
Use benchmarks to estimate the sum or difference-

1) 17/18-3/7

User Serguzest
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2 Answers

4 votes
The difference is 65/126
User Sandor
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2 votes

Answer:

Explanation:

Note that 17/18 is almost equal to 1; consequently

17/18-3/7 is approximately 1 - 3/7, or 4/7

User Pauloya
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