Advertisements
Advertisements
Question
Carry out the following subtraction involving a rational number.
`7/11 - 3/7`
Advertisements
Solution
`7/11 - 3/7`
Now, LCM of 11 and 7 is 77.
`7/11 - 3/7`
`= (7 xx 7)/(11 xx 7) - (3 xx 11)/(7 xx 11)`
`= 49/77 - 33/77`
`= (49 - 33)/77`
`= 16/77`
RELATED QUESTIONS
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-8)/13 "and (-4)/13`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`5/(-26) "and" 8/39`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`9/(-4) " and" (-3)/8`
Evaluate:
`2/3 + (-4)/5 + 1/3 + 2/5`
Write the Additive Inverse(Negative) of : `(-7)/5`
Write the Additive Inverse(Negative) of : 1
Carry out the following subtraction involving a rational number.
`13/36 - 2/40`
Write the multiplicative inverse.
`(-3)/8`
Carry out the division of a rational number.
`2 1/5 div 5 3/6`
Add: `2 1/7 + 3 8/14`.
