Eric Nicholas K's answer to Zwen's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Something like this would be ideal.

Seems like your Q1 final answer is different from mine, while Q2 is just one tiny signage error at the denominator of the second fraction in the final line.