Advertisements
Advertisements
Question
Multiply:
\[\frac{- 11}{13} \text{by} \frac{- 21}{7}\]
Sum
Advertisements
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
Add the following rational numbers:
\[\frac{- 7}{27} and \frac{11}{18}\]
Simplify:
\[\frac{- 16}{9} + \frac{- 5}{12}\]
Fill in the branks:
\[\frac{- 9}{14} + . . . = - 1\]
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]
\[\frac{3}{4} + \frac{5}{6} + \frac{- 7}{8}\]
Simplify:
\[\left( - 5 \times \frac{2}{15} \right) - \left( - 6 \times \frac{2}{9} \right)\]
State, True Or False
`7/9=(-7-5)/(9-5)`
Insert a rational number between:
`(2)/(5) and (3)/(4)`
Insert three rational number between:
6 and 7
Write the following numbers in the form `p/q`, where p and q are integers:
Opposite of 1
Write the rational number whose numerator and denominator are respectively as under:
(–4) × 6 and 8 ÷ 2
