What is the value of this expression -2-3-3-4

The correct option is D 1/12 2/3 + 3/4 2 × 4/3 × 4 + 3 × 3/4 × 3 8/12 + 9/12 ( 8) + (9)/12 1/12 ...

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Standard VII

Mathematics

Addition of Rational Numbers

What is the v...

Question

What is the value of this expression
$\frac{- 2}{3} + \frac{3}{4}$

True

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False

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\frac{1}{5}

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\frac{1}{14}

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Solution

The correct option is B
False

$\frac{- 2}{3} + \frac{3}{4}$
$\frac{- 2 \times 4}{3 \times 4} + \frac{3 \times 3}{4 \times 3}$
$\frac{- 8}{12} + \frac{9}{12}$
$\frac{(- 8) + (9)}{12}$
$\frac{1}{12}$

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What is the value of this expression −23+34

The correct option is B False −23+34 −2×43×4+3×34×3 −812+912 (−8)+(9)12 112

What is the value of this expression
$\frac{- 2}{3} + \frac{3}{4}$

The correct option is B
False

$\frac{- 2}{3} + \frac{3}{4}$
$\frac{- 2 \times 4}{3 \times 4} + \frac{3 \times 3}{4 \times 3}$
$\frac{- 8}{12} + \frac{9}{12}$
$\frac{(- 8) + (9)}{12}$
$\frac{1}{12}$