What is 10 3/4 (-8 4/9) ?

The solution to 10 3/4 (-8 4/9) is -90 7/9

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simplify 10 3/4 (-8 4/9)

simplify

10 \frac{3}{4} (- 8 \frac{4}{9})

- 90 \frac{7}{9}

Decimal Notation

- 90.77777 \dots

Solution steps

10 \frac{3}{4} (- 8 \frac{4}{9})

Convert mixed numbers to improper fractions:

10 \frac{3}{4} = \frac{43}{4}

= \frac{43}{4} (- 8 \frac{4}{9})

Convert mixed numbers to improper fractions:

8 \frac{4}{9} = \frac{76}{9}

= \frac{43}{4} (- \frac{76}{9})

Apply rule:

a (- b) = - ab

\frac{43}{4} (- \frac{76}{9}) = - \frac{43}{4} \cdot \frac{76}{9}

= - \frac{43}{4} \cdot \frac{76}{9}

- \frac{43}{4} \cdot \frac{76}{9} = - \frac{817}{9}

= - \frac{817}{9}

Convert improper fractions to mixed numbers:

\frac{817}{9} = 90 \frac{7}{9}

= - 90 \frac{7}{9}

11 + [\frac{34.12 + 63}{5 \cdot ( - 1.2 )}]

\frac{2 + 3}{2}

6 x + x^{2}

- 6 (3)

\frac{x ^{4} + 3 x ^{3}}{7 x}