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The numerical expression (3)/(8) +((-5))...

The numerical expression `(3)/(8) +((-5))/(7)=(-19)/(56)` shows that

A

Rational numbers are closed under addition.

B

Rational numbers are not closed under addition.

C

Rational numbers are closed under multiplication.

D

Addition of rational numbers is not commutative.

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Express the ratio (4)/(5):(8)/(7) in the lowest terms

56-:7*8(3)/(8)+5

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Express each of the following as a rational number of the form (p)/(q):(-8)/(3)+(-1)/(4)+(-11)/(6)+(3)/(8)-3( ii) (6)/(7)+1+(-7)/(9)+(19)/(21)+(-12)/(7)

MTG IIT JEE FOUNDATION-RATIONAL NUMBERS -Olympiad/HOTS Corner
  1. Simplify : (((2)/(3)xx (-(5)/(4)))+((-(10)/(3)) xx (5)/(2))-(((-16)/(3...

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  2. To reduce a rational number to its standard form, we divide its numera...

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  3. Which of the following is an example of distributive property of multi...

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  4. If A: Rational numbers are always closed under division and R: Divisio...

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  5. ASSOCIATIVITY The addition of rational numbers is associative

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  6. Which of the following statements is true? (i) (-5)/(0) is a negati...

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  7. Zero is .

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  8. Which of the following statements is always true?

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  9. The numerical expression (3)/(8) +((-5))/(7)=(-19)/(56) shows that

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  10. Divide 34 in to two parts in such a way that (4/7)^th of one part is ...

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  11. Which of the following rational numbers does not lie between (1)/(4) a...

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  12. The numerator and the denominator of a rational number are in the rati...

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  13. A water pump pumps out 14(1)/(6)l water per minute from a reservoir. H...

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  14. Subtract the sum of (-1)/(2) and (-4)/(7) from the sum of (3)/(4) and...

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  15. Shruti uses 105(1)/(8)g of flour for making (1)/(2)kg of halwa. How m...

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  16. Find one rational number between (1)/(5) and (1)/(4)

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  17. Simple form of (1)/(3-(1)/(2-(1)/(7))) is

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  18. Every fraction is a rational number but a rational number need not be ...

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  19. Which of the following numbers does not lie between -1 and -2?

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  20. Nine times the reciprocal of a rational number equals 6 times the reci...

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