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Multiplication of Fractions

Question

Simplify $\frac{- 39}{3} \times \frac{19}{5} \times \frac{- 45}{38}$
$\frac{127}{2}$
$\frac{117}{2}$
$\frac{- 117}{2}$
$\frac{- 127}{2}$

A

\frac{- 117}{2}

B

\frac{127}{2}

C

\frac{- 127}{2}

D

\frac{117}{2}

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Solution

Verified by Toppr

$\frac{- 39}{3} \times \frac{19}{5} \times \frac{- 45}{38}$
$= \frac{- 13 \times - 9}{2}$
$= \frac{117}{2}$

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Similar Questions

Q1

Simplify

\frac{- 39}{3} \times \frac{19}{5} \times \frac{- 45}{38}

View Solution

Q2

When simplified

{(- \frac{1}{27})}^{- 2 / 3}

is

(a) 9

(b) −9

(c)

\frac{1}{9}

(d)

- \frac{1}{9}

View Solution

Q3

117 + 9 = 117 + 10 - 1 = 127 - 1

Is the above expression is correct?

View Solution

Q4

Simplify the expression.

(i)

45 \div 5 + 20 \times 4 - 12

(ii)

(38 - 8) \times 2 \div 5 + 13

(iii)

\frac{5}{3} + \frac{4}{7} \div \frac{32}{21}

(iv)

3 \times \{4 [85 + 5 - (15 \div 3)] + 2\}

View Solution

Q5

Determine whether the following numbers are prime or composite.

(1) 93
(2) 97
(3) 101
(4) 117
(5) 127
(6) 295
(7) 407
(8) 499
(9) 527
(10) 637
(11) 689
(12) 209
(13) 901
(14) 953
(15) 997

View Solution