Isaac Solomon Wong's answer to Qi yuan's Primary 6 Maths Fractions Singapore question.

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Isaac Solomon Wong
Isaac Solomon Wong's answer
49 answers (Tutor Details)
1st
I'm not sure if you've learnt it, but this requires a little bit of algebra. If you're scared or frightened when you see the term "algebra" because it's something new, i believe guess and check works as well.

Hope this helps you :)