The blog postings are about the Singapore Math. The readers can learn from the postings about Solving Singapore Primary School Mathematics. The blog presenting the Math Concept, Math Questions with solutions that teaches in Singapore Primary Schools. You or the kids can learn the skills of dealing with Math Modeling, Problem Sum from Lower Primary School to Upper Primary School level after reading the blog postings. This posting is an upper primary school math question on Fraction, Ratio and Problem Solving.

You can read the posting on **Sarin and his coin bank** for the story of coin bank.

Read the posting on **Sarin learns concept of ratio in school** to understand Ratio.

Read also the posting on **Sarin learns the concept of Fraction (mathematics concept)** to understand Fraction.

*Challenge yourself with the Question before look out for the given solution‼!*

**Upper primary school mathematics question UPQ347**

Sarin and Hairu saved some money in their coin bank. 2/5 of Sarin’s savings was equal to 1/3 of Hairu’s savings. What was the ratio of Sarin’s savings to their total savings?

Solution:

2/5 fraction of Sarin’s savings was equal to 1/3 fraction of Hairu’s saving

Draw the fraction models of Sarin’s saving and Hairu’s saving

Equal the 2/5 of Sarin’s saving to 1/3 = 2/6 of Haiu’s saving

Sarin’s saving = 5 units

Total saving = 11 units

The ratio of Sarin’s saving to their total saving = 5 : 11

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