Evaluate-2-7-4-11-12-7-7-11

The correct option is B 3 Given 2/7 nbsp; + 4/11 nbsp;+ 12/7 nbsp; + 7/11 Grouping the rational numbers with same denominator together , we have n ...

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Byju's Answer

Standard VII

Mathematics

Addition and Subtraction of Rational Numbers

Evaluate-2/7+...

Question

Evaluate

$\frac{- 2}{7} + \frac{- 4}{11} + \frac{- 12}{7} + \frac{- 7}{11}$

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-3

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-2

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Solution

The correct option is B
-3

Given $\frac{- 2}{7} + \frac{- 4}{11} + \frac{- 12}{7} + \frac{- 7}{11}$

Grouping the rational numbers with same denominator together , we have

$\frac{- 2}{7}$ + $\frac{- 12}{7}$ + $\frac{- 4}{11}$ + $\frac{- 7}{11}$

$\frac{- 2 - 12}{7}$ + $\frac{- 4 - 7}{11}$

$\frac{- 14}{7}$ + $\frac{- 11}{11}$

(-2) + (-1)

-3

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Similar questions

The value of

$\frac{- 2}{7} + \frac{- 4}{11} + \frac{- 12}{7} + \frac{- 7}{11}$ is ___.

Q. Evaluate

(\sqrt{11} - \sqrt{7}) (\sqrt{11} + \sqrt{7})

Evaluate :

$(i) \frac{3}{7} + \frac{- 4}{9} + \frac{- 11}{7} + \frac{7}{9} (i i) \frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5} (i i i) \frac{4}{7} + 0 + \frac{- 8}{9} + \frac{- 13}{7} + \frac{17}{9} (i v) \frac{3}{8} + \frac{- 5}{12} + \frac{3}{7} + \frac{3}{12} + \frac{- 5}{8} + \frac{- 2}{7}$

Q. Evaluate:

(i) \frac{3}{7} + \frac{- 4}{9} - \frac{- 11}{7} - \frac{7}{9}

(i i) \frac{2}{3} + \frac{- 4}{5} - \frac{1}{3} - \frac{2}{5}

(i i i) \frac{4}{7} - \frac{- 8}{9} - \frac{- 13}{7} + \frac{17}{9}

Q. Evaluate

\frac{- 12}{5} + \frac{31}{10} + \frac{11}{- 15} + \frac{- 7}{- 18}

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Evaluate −27+−411+−127+−711

The correct option is B -3 Given −27+−411+−127+−711 Grouping the rational numbers with same denominator together , we have −27 + −127 + −411 + −711 −2−127 + −4−711 −147 + −1111 (-2) + (-1) -3

Evaluate

$\frac{- 2}{7} + \frac{- 4}{11} + \frac{- 12}{7} + \frac{- 7}{11}$