Advertisements
Advertisements
Question
Simplify each of the following and express the result as a rational number in standard form:
Advertisements
Solution
\[\frac{- 11}{9} \times \frac{- 81}{- 88} = \frac{- 11}{9} \times \frac{- 9 \times 9}{- 8 \times 11} = \frac{- 9}{8}\]
APPEARS IN
RELATED QUESTIONS
Multiply:
Simplify:
Fill in the blanks:
The reciprocal of a positive rational number is .....
Divide the sum of \[\frac{65}{12} \text{and}\ \frac{12}{7}\] by their difference.
State, True Or False
`7/9=(7xx5)/(9xx5)`
Insert one rational number between 7 and 8
Compare: `- 3 "and" 2 3/4 or 11/4`
If `x/y` is a rational number, then y is always a whole number.
A skirt that is `35 7/8` cm long has a hem of `3 1/8` cm. How long will the skirt be if the hem is let down?
Manavi and Kuber each receives an equal allowance. The table shows the fraction of their allowance each deposits into his/her saving account and the fraction each spends at the mall. If allowance of each is Rs. 1260 find the amount left with each.
| Where money goes | Fraction of allowance | |
| Manavi | Kuber | |
| Saving Account | `1/2` | `1/3` |
| Spend at mall | `1/4` | `3/5` |
| Left over | ? | ? |
