Common-Core/ Grade 8
Maths MCQ Based On Add and subtract rational numbers
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Common-Core Grade 8 - 8 Add and subtract rational numbers
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Lcm=[78-20]/65=58/65
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Lcm =[84+30]/35=114/35
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make denominators same
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Lcm =-7/7=-1
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Subtract by making the denominator same.
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5-5=0
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Lcm =[-64+9]/8=-55/8
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Eg X-X=0
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Lcm = [-5+6]/7= 1/7
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Taking Lcm =12/6=2
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