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प्रश्न
Carry out the following addition of a rational number.
`1 2/3 + 2 4/5`
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उत्तर
`1 2/3 + 2 4/5`
`= (1xx3+2)/3 + (2xx5+4)/5`
`= 5/3 +14/5`
Now, the LCM of 3 and 5 is 15.
`5/3 + 14/5`
`= (5 xx 5)/(3 xx 5) + (14 xx 3)/(5 xx 3)`
`= 25/15 + 42/15`
` = (25 + 42)/15`
`= 67/15`
संबंधित प्रश्न
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-5)/8` and `3/8`
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`
Evaluate:
`4/7 +0 + (-8)/9 + (-13)/7 + 17/9`
Evaluate:
`3/8 + (-5)/12 + 3/7 + 3/12 + (-5)/8 + (-2)/7`
Fill in the Blank
If `a/b` is additive inverse of `(-c)/d`, then `(-c)/d` is additive inverse of ------.
Carry out the following addition of a rational number.
`2 3/11 + 1 3/77`
Write the multiplicative inverse.
`2/5`
Write the multiplicative inverse.
7
Carry out the division of a rational number.
`2/3 div (-4)`
Solve:
`12/5 xx ((-10))/3`
