Low Yi Yin's answer to liang liang's Secondary 2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Low Yi Yin
Low Yi Yin's answer
251 answers (Tutor Details)
1st
Manipulate the denominators until they look almost the same so that you don't need multiply much for the numerators. Hope this helps!! ;))