Question

Which of the following fractions, if any, is(are) in simplest form?(i) 9/1485(ii) 21/101(iii) 42/43
A) A) (i) and (ii) only
B) B) (i) and (iii) only
C) C) (ii) and (iii) only
D) D) None of the other choices.

Answer 1

simplest form means they cannot be reduced anymore

if numerator or denominator is a prime number, you can say that fraction is in simplest form

Answer 2

for this assignment this will be enough, because two of three fractions have prime numbers in their denominator

Answer 3

so then the answer is d, correct?

Answer 4

prime numbers are numbers that can only be divided with one and themselves
here is a list of a first few:
http://www.whatareprimenumbers.com/media/uploads/images/67/list-of-prime-numbers.jpg

Answer 5

nop, two of the given fractions are indeed in the simplest form

Answer 6

find which two have prime number in their denominator

Answer 7

Oh ok

Answer 8

let me help you.
\[\frac{ 21 }{ 101 }\]
101 is a prime number (it can be divided only with 1 and 101). hence, 21/101 is in it's simplest form

Answer 9

Ok so then it is C

Answer 10

yes it is:) gj

Answer 11

Thanks for your help!

Answer 12

np;)