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Question
Carry out the following subtraction involving a rational number.
`4 1/2 - 3 1/3`
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Solution
`4 1/2 - 3 1/3`
`= (4xx2+1)/2 - (3xx3+1)/3`
`= 9/2 - 10/3`
Now, LCM of 2 and 3 is 6.
`= 9/2 - 10/3`
`= (9xx3)/(2xx3) - (10xx2)/(3xx2)`
`= 27/6 - 20/6`
`= (27 - 20)/6`
`= 7/6`
RELATED QUESTIONS
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number.
`5/(-6) "and" 2/3`
Write the Additive Inverse(Negative) of : `(-7)/5`
Write the Additive Inverse(Negative) of : 1
Evaluate:
`(8/5 xx (-3)/2) + ((-3)/10 xx 9/16)`
Multiply the following rational number.
`(-8)/9 xx 3/4`
Carry out the division of rational number.
`(-5)/13 div 7/26`
Solve:
`4 3/8 div 25/18`
Find the sum: `7/5 + 3/5`
Complete the following table by finding the sums:
| + | `-1/9` | `4/11` | `(-5)/6` |
| `2/3` | |||
| `-5/4` | `(-39)/44` | ||
| `-1/3` |
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to z gives us x.
