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[3/4+(-5/7)] What is the answer please help me

[3/4+(-5/7)] What is the answer please help me
asked 40.9k views
3 votes
[3/4+(-5/7)]

What is the answer please help me

asked
User Force Bolt
by
8.1k points

2 Answers

5 votes


\bf \cfrac{3}{4}+\left( -\cfrac{5}{7} \right)\implies \cfrac{3}{4}-\cfrac{5}{7}\implies \stackrel{\textit{our LCD will then be 28}}{\cfrac{(7)3~~-~~(4)5}{28}}\implies \cfrac{21-20}{28}\implies \cfrac{1}{28}

answered
User Tobias Hoefer
by
8.6k points
3 votes

Answer:

[3/4 + (-5/7)] = 1 /28

≅ 0.03571429


Explanation:



answered
User Chantalle
by
8.3k points
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