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CBSE Class 7 Answered

  1. subtract the sum of 114 over 7 and 53 over 14 from 20.
Asked by Prachirokade543 | 10 Jul, 2019, 08:59: PM
Expert Answer
begin mathsize 16px style 11 4 over 7 space plus space 5 3 over 14
equals space fraction numerator 11 space cross times space 7 space plus space 4 over denominator 7 end fraction plus space fraction numerator 5 space cross times space 14 plus space 3 over denominator 14 end fraction
equals 81 over 7 plus space 73 over 14
equals space fraction numerator 81 cross times 2 over denominator 14 end fraction plus space 73 over 14
equals fraction numerator 162 space plus space 73 over denominator 14 end fraction
equals 235 over 14
To space find space colon
20 space minus space 235 over 14 space equals space fraction numerator 280 space minus space 235 over denominator 14 end fraction equals space 45 over 14
end style
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