Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 2 | Maths
4 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Sean
Sean

secondary 2 chevron_right Maths chevron_right Singapore

Struggling with expressing the following expressions as a simple fraction in its simplest form. Help would be greatly appreciated, thanks! :)

Date Posted: 1 month ago
Views: 46

See 4 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
238 answers (Tutor Details)
1st
Algebraic expression in denominators are already simplified, so we make denominators the same.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
238 answers (Tutor Details)
The denominator 8x-4y can be factorised to 4(2x-y).
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
238 answers (Tutor Details)
Always see if the denominators can be factorised. After which, make denominators same.
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Erfana Beevee Binte Hassan Shariff
Erfana Beevee Binte Hassan Shariff's answer
238 answers (Tutor Details)
Always factorise all expressions that can be factorised. Since this is multiplication of algebraic fractions, cancel out common factors after factorisation.