The correct option is B 8 41/2 31/2 = (41/2 + 31/2) (as x y = (x+y)) = (7 + 1) = 8 ...

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Problems Involving Difference of Fractions

-41/2 - 31/2 ...

Question

$(- 4 \frac{1}{2} - 3 \frac{1}{2})$ = ____

-3

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-8

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Solution

The correct option is B
-8

$- 4 \frac{1}{2} - 3 \frac{1}{2}$ = $- (4 \frac{1}{2} + 3 \frac{1}{2})$ (as -x-y = -(x+y))

= -(7 + 1)

= -8

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Similar questions

$3 \frac{1}{2} - 4 \frac{1}{2}$ = ______

Prove that:
$4^{\frac{1}{3}} \times [2^{\frac{1}{3}} \times 3^{\frac{1}{2}}] \div 9^{\frac{1}{4}} = 2$ .

1 \frac{2}{3} - 3 \frac{5}{6}

4 \frac{1}{2} - 3 \frac{1}{3}

4^{\frac{1}{3}} \times [2^{\frac{1}{3}} \times 3^{\frac{1}{2}}] \div 9^{\frac{1}{4}}

1 + \frac{1}{2} (1 + 2) + \frac{1}{3} (1 + 2 + 3) + \frac{1}{4} (1 + 2 + 3 + 4) + . . . . .

20

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