SG chevron_right Primary 6 chevron_right Fractions

Hi everyone, may I know the solution workings for part (b) of the following NYPS 2017 CA1 question? Many thanks.

SG chevron_right Primary 4 chevron_right Number and Algebra

SG chevron_right Secondary 4 chevron_right Statistics and Probability

how do you solve this?

SG chevron_right Grade: N/A chevron_right Strand: N/A

Patulong po

SG chevron_right Primary 6 chevron_right Fractions

Help