Advertisements
Advertisements
Question
Evaluate: `3 1/8 xx (-2 2/5)`
Sum
Solution
`3 1/8 xx (-2 2/5)`
`= (3 xx 8 + 1)/8 xx (- (2 xx 5 + 2)/5)`
`= 25/8 xx (- 12/5) = (25 xx (-12))/(8 xx 5)`
`= (5 xx (-3))/(2 xx 1) = (- 15)/2`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Express the following rational numbers to the lowest terms: `14/-56`
Add: `(-5)/9 "and" 7/18`
Add: `1/-18 "and" 5/-27`
Subtract: `(- 7)/4 "from" -2`
Subtract: `(- 8)/15 "from" 0`
Multiply: `6 2/3 "and" -3/8`
Evaluate: `(7/8 xx 8/7) + ((-5)/9) xx (6/-25)`
A bus is moving with a speed of 65 `1/2` km per hour. How much distance will it cover in 1 `1/3` hours.
Evaluate: `9/-16 + (-5/-12)`
What rational number should be added to `- 3/16` to get `11/24`
