Advertisements
Advertisements
Question
Evaluate: `3 1/8 xx (-2 2/5)`
Sum
Advertisements
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
Find three rational numbers equivalent to `3/5`
Find x, such that: `3/7 = "x"/-35`
Find x, such that: `36/"x" = 3`
Express the following rational number to the lowest term: `12/15`
Evaluate: `(-2)/5 + 3/5 + (-1)/5`
Evaluate: `(-8)/9 + 4/9 + (-2)/9`
Subtract: `(- 7)/4 "from" -2`
Multiply: `1 1/8 "and" 10 2/3`
Divide: `(-20)/9 "by" (-5)/9`
Evaluate: `(-5)/9 + (-7)/12 + 11/18`
