Advertisements
Advertisements
Question
Simplify:
`6/5 xx 3/7 - 1/5 xx 3/7`
Simplify
Advertisements
Solution
Given, `6/5 xx 3/7 - 1/5 xx 3/7`
= `(6 xx 3)/(5 xx 7) - (1 xx 3)/(5 xx 7)`
= `18/35 - 3/35`
= `(18 - 3)/35`
= `15/35`
= `(15 ÷ 5)/(35 ÷ 5)` ...[Dividing numerator and denominator by 5]
= `3/7`
shaalaa.com
Is there an error in this question or solution?
Chapter 8: Rationals Numbers - Exercise [Page 249]
APPEARS IN
RELATED QUESTIONS
Find the value of `(-4)/5÷ (-3)`.
Evaluate:
`8/(-5) ÷ 24/25`
Evaluate:
`3/4 ÷ (-5/12)`
The value of `((-15)/23) ÷ (30/(-46))` is ________
The reciprocal of `1/2` is ______.
`(-3)/7 ÷ ((-7)/3)` = ______.
Match the following:
| Column I | Column II |
| (i) `a/b ÷ a/b` | (a) `(-a)/b` |
| (ii) `a/b ÷ c/d` | (b) –1 |
| (iii) `a/b ÷ (-1)` | (c) 1 |
| (iv) `a/b ÷ (-a)/b` | (d) `(bc)/(ad)` |
| (v) `b/a ÷ (d/c)` | (e) `(ad)/(bc)` |
Find the reciprocal of the following:
`3/13 ÷ (-4)/65`
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the reciprocal of x + y.
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find x ÷ (y ÷ z).
