Question
Express $\frac{-3}{5}$ as a rational number with denominator.
35
35
✓
Answer
35 = 5 × 7
$\therefore\frac{-3}{5}=\frac{-3\times7}{5\times7}$
(Multiplying the numerator and denominator by 7)
$=\frac{-21}{35}$
$\therefore\frac{-3}{5}=\frac{-3\times7}{5\times7}$
(Multiplying the numerator and denominator by 7)
$=\frac{-21}{35}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Draw nets for the following polyhedrons:
Simplify:
$1+\frac{-4}{5}$
→$1+\frac{-4}{5}$
Evaluate $\Big[\big(5^{-1}\times3^{-1}\big)\div6^{-1}\Big]$
→Factorise:
$2 a+6 b-3(a+3 b)^2$
→$2 a+6 b-3(a+3 b)^2$
By what least number should the given number be multiplied to get a perfect square number? In case, find the number whose square is the new number.
$3380$
→$3380$
Find the square root in decimal form:176.252176
What is the number of diagonals in a:
Polygon of 12 sides?
Polygon of 12 sides?
Divide the first polynomial by the second polynomial in the following. Also write the quotient and remainder:
$\frac{\text{x}^4-\text{x}^3+5\text{x}}{\text{x}-1}$
→$\frac{\text{x}^4-\text{x}^3+5\text{x}}{\text{x}-1}$
Find the following products:
$\left(z^2+2\right)\left(z^2-3\right)$
→$\left(z^2+2\right)\left(z^2-3\right)$
Find the square root of:
$21\frac{2797}{3364}$
→$21\frac{2797}{3364}$