The numerical expression3-8-5-7-19-56states that

The correct option is A rational numbers are closed under nbsp;addition 3/8 nbsp; + 5/7 = 19/56 shows that on adding two rational numbers we get another ...

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Standard VII

Mathematics

Properties of Rational Numbers

The numerical...

Question

The numerical expression

$\frac{3}{8} + (\frac{- 5}{7}) = \frac{- 19}{56}$

states that ______.

rational numbers are not closed under subtraction

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addition of rational numbers is not commutative

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rational numbers are closed under addition

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subtraction of rational numbers is commutative

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Solution

The correct option is C
rational numbers are closed under addition

$\frac{3}{8} + \frac{- 5}{7} = \frac{- 19}{56}$
shows that on adding two rational numbers we get another rational number. So this expression shows that rational numbers are closed under addition.

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Similar questions

Q. The numerical expression

(\frac{3}{8} - \frac{5}{7})

equal to

- \frac{19}{56}

states that:

The numerical expression $\frac{3}{8} + \frac{- 5}{7}$ equal to $\frac{- 19}{56}$ states that

The numerical expression $\frac{3}{8}$ + ( $\frac{- 5}{7}$ ) equal to $\frac{- 19}{56}$ shows that:

Q. Fill in the blanks with the suitable value:

\frac{19}{- 5} + [\frac{- 3}{11} + \frac{- 7}{8}] = [\frac{19}{- 5} + - -- -] + \frac{- 7}{8}

Write the numerator and denominators of the following dfractional number:

\frac{1}{3}, \frac{2}{5}, \frac{7}{2}, \frac{19}{3}, \frac{7}{29}, \frac{11}{13}, \frac{1}{7}, \frac{8}{3}

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The numerical expression 38+(−57) =−1956 states that ______.

The correct option is C rational numbers are closed under addition 38+−57=−1956 shows that on adding two rational numbers we get another rational number. So this expression shows that rational numbers are closed under addition.

The numerical expression

$\frac{3}{8} + (\frac{- 5}{7}) = \frac{- 19}{56}$

states that ______.

The correct option is C
rational numbers are closed under addition

$\frac{3}{8} + \frac{- 5}{7} = \frac{- 19}{56}$
shows that on adding two rational numbers we get another rational number. So this expression shows that rational numbers are closed under addition.