Question

Express 2.15 in the form of p/q, where p and q are
integers and q≠0​

Answer 1

Answer:

$\frac{43}{20}$

Step-by-step explanation:

$2.15$

$=\frac{215}{100}$

⇒ $\frac{43}{20}$

∴ $2.15=\frac{43}{20}$

Answer 2

Answer:

let x be some integer

then,

x = 2.151515----------1

[multiply both side by 100]

100x = 215.151515--------2

now subtract 2 from 1:-

100x = 215.151515

x = 2.151515

99x = 213

ans) x = 213/99