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10/21 + ( 2/3 - 1/7 ) =
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2 votes
10/21 + ( 2/3 - 1/7 ) =

User Mirka
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3 votes
10/21+(2/3-1/7)=1

10/21+ ( 2/3(7) =14/21 - 1/7(3)=3/21)
10/21+11/21=21/21
21/21 = 1

I hope this helps.
User Sonni
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6.4k points
4 votes
Simplify 2/3 - 1/7 to 11/21
10/21 + 11/21
Simplify
The answer is 1.
User Ponsfrilus
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6.1k points
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