A fraction becomes  4/5 when 1 is added to each of the numerator and denominator. However, if we subtract 5 from each then it becomes 1/2. The fraction is –
  • a)
    5/8
  • b)
    5/6
  • c)
    7/9
  • d)
    13/16
Correct answer is option 'C'. Can you explain this answer?

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Shreya Kasaudhan
Aug 11, 2020
let the fraction be x/y

1 is added means

x+1/y+1=4/5

5x+5=4y+4

5x-4y=-1

5 is subtracted means

x-5/y-5=1/2

2x-y=5

2 eqn multilply by 5 and 1 eqn by 2

2(5x-4y=-1)=10x-8y=-2

5(2x-y=5)=10x-5y=25

10x-5y=25

10x-8y=-2

x=7,y=9

then the fraction  is 7/9

This discussion on A fraction becomes 4/5when 1 is added to each of the numerator and denominator. However, if we subtract 5 fromeach then it becomes 1/2. The fraction is –a)5/8b)5/6c)7/9d)13/16Correct answer is option 'C'. Can you explain this answer? is done on EduRev Study Group by Class 10 Students. The Questions and Answers of A fraction becomes 4/5when 1 is added to each of the numerator and denominator. However, if we subtract 5 fromeach then it becomes 1/2. The fraction is –a)5/8b)5/6c)7/9d)13/16Correct answer is option 'C'. Can you explain this answer? are solved by group of students and teacher of Class 10, which is also the largest student community of Class 10. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 10 on EduRev and even discuss your questions like A fraction becomes 4/5when 1 is added to each of the numerator and denominator. However, if we subtract 5 fromeach then it becomes 1/2. The fraction is –a)5/8b)5/6c)7/9d)13/16Correct answer is option 'C'. Can you explain this answer? over here on EduRev! Apart from being the largest Class 10 community, EduRev has the largest solved Question bank for Class 10.
This discussion on A fraction becomes 4/5when 1 is added to each of the numerator and denominator. However, if we subtract 5 fromeach then it becomes 1/2. The fraction is –a)5/8b)5/6c)7/9d)13/16Correct answer is option 'C'. Can you explain this answer? is done on EduRev Study Group by Class 10 Students. The Questions and Answers of A fraction becomes 4/5when 1 is added to each of the numerator and denominator. However, if we subtract 5 fromeach then it becomes 1/2. The fraction is –a)5/8b)5/6c)7/9d)13/16Correct answer is option 'C'. Can you explain this answer? are solved by group of students and teacher of Class 10, which is also the largest student community of Class 10. If the answer is not available please wait for a while and a community member will probably answer this soon. You can study other questions, MCQs, videos and tests for Class 10 on EduRev and even discuss your questions like A fraction becomes 4/5when 1 is added to each of the numerator and denominator. However, if we subtract 5 fromeach then it becomes 1/2. The fraction is –a)5/8b)5/6c)7/9d)13/16Correct answer is option 'C'. Can you explain this answer? over here on EduRev! Apart from being the largest Class 10 community, EduRev has the largest solved Question bank for Class 10.