Advertisements
Advertisements
Question
Multiply:
\[\frac{- 11}{13} \text{by} \frac{- 21}{7}\]
Sum
Solution
\[\frac{- 11}{13} \times \frac{- 21}{7} = \frac{( - 11) \times ( - 21)}{13 \times 7} = \frac{231}{91} = \frac{33}{13}\]
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify:
\[3 + \frac{5}{- 7}\]
Add and express the sum as a mixed fraction:
\[\frac{101}{6} \text{and} \frac{7}{8}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5}\]
The sum of two numbers is \[\frac{- 4}{3} .\] If one of the numbers is −5, find the other.
Fill in the branks:
\[\frac{- 7}{9} + . . . = 3\]
Simplify each of the following and express the result as a rational number in standard form:
\[\frac{- 11}{9} \times \frac{- 81}{- 88}\]
State, True Or False
`7/9=(7÷5)/(9÷5)`
Compare: `(-7)/2` and `5/2`
Insert a rational number between:
`(2)/(5) and (3)/(4)`
Find the greatest and the smallest rational number among the following.
`(-2)/(3) , (-7)/(9) and (-5)/(6)`
