Advertisements
Advertisements
प्रश्न
Using suitable rearrangement and find the sum:
`4/7 + ((-4)/9) + 3/7 + ((-13)/9)`
Advertisements
उत्तर
Here, `4/7 + ((-4)/9) + 3/7 + ((-13)/9)`
= `4/7 + 3/7 + ((-4)/9) + ((-13)/9)`
= `7/7 - 17/9`
= `1 - 17/9`
= `(9 - 17)/9`
= `(-8)/9`
APPEARS IN
संबंधित प्रश्न
Using appropriate properties find
`2/5 xx (-3/7) - 1/6 xx 3/2 + 1/14 xx 2/5`
Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number:
Using commutativity and associativity of addition of rational numbers, express each of the following as a rational number:
Find: `3/7 + ((-6)/11) + ((-8)/21) + (5/22)`.
`- 3/8 + 1/7 = 1/7 + ((-3)/8)` is an example to show that ______
Rational numbers can be added or multiplied in any ______.
For all rational numbers x and y, x – y = y – x.
Rational numbers can be added (or multiplied) in any order
`(-4)/5 xx (-6)/5 = (-6)/5 xx (-4)/5`
Using suitable rearrangement and find the sum:
`-5 + 7/10 + 3/7 + (-3) + 5/14 + (-4)/5`
Verify the property x × y = y × x of rational numbers by using
`x = (-3)/8` and `y = (-4)/9`
