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Question
Carry out the following addition of a rational number.
`1 2/3 + 2 4/5`
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Solution
`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`
RELATED QUESTIONS
Add, the pair of rational numbers, given below, and show that their addition (sum) is also a rational number
`(-5)/8` and `3/8`
Evaluate:
`2/3 + (-4)/5 + 1/3 + 2/5`
Evaluate:
`3/8 + (-5)/12 + 3/7 + 3/12 + (-5)/8 + (-2)/7`
Write the Additive Inverse(Negative) of : 0
Write the Additive Inverse(Negative) of : `(-3)/1`
Fill in the Blank:
`(-5)/(-12)`+ its additive inverse = ______
Carry out the division of a rational number.
`2/3 div (-4)`
Find the sum: `7/5 + 3/5`
Find the sum of `7/3` and `(-4)/3`.
What should be added to `(-1)/2` to obtain the nearest natural number?
