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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
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`6/11 "and" (-9)/11`
Evaluate:
`2/3 + (-4)/5 + 1/3 + 2/5`
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`11/17 + 13/19`
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`2 3/11 + 1 3/77`
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Multiply the following rational number.
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Solve:
`4 3/8 div 25/18`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to x gives y.
