Advertisements
Advertisements
प्रश्न
Find (a + b) ÷ (a – b) if a = `(-3)/5`, b = `2/15`
Advertisements
उत्तर
a = `(-3)/5`, b = `2/15`
a + b = `(-3)/5 + 2/15`
= `(-3 xx 3 + 2)/15`
= `(-9 + 2)/15`
= `(-7)/15`
a − b = `(-3)/5 - 2/15`
= `(-3 xx 3 - 2)/15`
= `(-9 - 2)/15`
= `(-11)/15`
(a + b) ÷ (a – b) = `(-7)/15 ÷ (-11)/15`
= `(-7)/15 xx 15/(-11)`
= `7/11`
APPEARS IN
संबंधित प्रश्न
Find the value of `(-3)/5 ÷ 2`.
Find the value of `(-2)/13 ÷ 1/7`.
Evaluate:
`1 ÷ 1/3`
The product of two numbers is `(-4)/9`. If one of them is` (-2)/27`, find the other.
Divide:
` 3 "by" 1/3`
Divide:
`- 3/4 "by" - 9/16`
Find (m + n) ÷ (m - n), if:
m = `4/5` and n = `-3/10`
Which of the following rational numbers is equal to its reciprocal?
Reduce the following rational numbers in its lowest form:
`(-60)/72`
Find the reciprocal of the following:
`(-5 xx 12/15) - (-3 xx 2/9)`
