Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

EASY

Earn 100

What number should be subtracted from the product of $\frac{2}{7}$ and $\frac{3}{8}$ to get $\frac{- 3}{7} ?$

Important Questions on Rational Numbers

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

Simplify

\frac{1}{3} + (\frac{- 3}{4}) + \frac{7}{8}

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The value of

\frac{2}{3} of \frac{3}{4} of 18

is

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The value of

\frac{0}{6} \times \frac{3}{4}

is

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

Simplify

\frac{25}{32} \div \frac{65}{48}

.

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

Subtract

\frac{- 3}{8}

from

\frac{4}{5}

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

Find the value of

(\frac{- 3}{7}) + (\frac{- 2}{3})

.

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

Simplify

(\frac{- 2}{9} \times \frac{4}{5}) \times \frac{3}{7}

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The value of

(\frac{- 7}{8} \div \frac{- 3}{6})

is

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

$\frac{- 8}{9} \times$ $($ _____ $)$ $= \frac{- 2}{3}$ .

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The reciprocal of

\frac{2}{5} \times (\frac{- 4}{9})

is _____.

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

\frac{2}{3} -

(

_____

)

= \frac{1}{15}

.

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

(- 1) +

(

_____

)

= \frac{- 2}{9}

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

(213 \times 657)^{- 1} = 213^{- 1} \times

(

_____

)^{- 1}

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

$\frac{25}{8} \div$ $($ _____ $)$ $= - 10$ .

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

$(- 12) \div$ (_____) $= \frac{- 6}{5}$

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

\frac{- 143}{21}

=

_____

+ (\frac{- 17}{21})

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The rational number equal to its reciprocal is _____

MEDIUM

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

If

\frac{k}{m} \div (\frac{- 7}{5}) = \frac{10}{19}

, then the value of

k + m

is _____.

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The reciprocal of

\frac{- 5}{7}

is _____.

EASY

Mathematics>Arithmetic>Rational Numbers>Operations on Rational Numbers

The reciprocal of a positive rational number is _____.