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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`
Write the Additive Inverse(Negative) of : `(-3)/8`
Write the Additive Inverse(Negative) of : `(-7)/5`
Write the Additive Inverse(Negative) of : `(-4)/(-13)`
Carry out the following subtraction involving a rational number.
`4 1/2 - 3 1/3`
Multiply the following rational number.
`0/6 xx 3/4`
Carry out the division of a rational number.
`(-7)/8 div (-3)/6`
Carry out the division of rational number.
`(-5)/13 div 7/26`
Add: `2 1/7 + 3 8/14`.
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when added to z gives us x.
