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प्रश्न
Carry out the following subtraction involving a rational number.
`7/11 - 3/7`
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उत्तर
`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`
संबंधित प्रश्न
Find the sum:
`(-3)/(-11) + 5/9`
Find the sum:
`(-8)/19 + (-2)/57`
Find the sum:
`(-2)/3 + 0`
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number.
`5/(-6) "and" 2/3`
For each set of rational number, given below, verify the associative property of addition of rational number:
(i) `1/2 , 2/3 "and"-1/6`
Fill in the blank:
Additive inverse of `(-5)/(-12)`= --------
Multiply the following rational number.
`(-8)/9 xx 3/4`
Write the multiplicative inverse.
7
Solve:
`5/12 + 7/16`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to z gives us x.
