AC Lim's answer to KL's Primary 5 Maths Fractions Singapore question.
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Hope this helps ♦
Date Posted:
1 year ago
Other stamps remain unchanged = 1u.
If you like to use fraction method.
Other stamp
Before = ⅓
After = ⅕
Since numerator are same for before and after,
We can tell that total at 1st=3u and total after +156 = 5u
Therefore, 5u-3u = 156
2u = 156
1u = 78
Total at 1st = 3u = 3×78 = 234 stamps
If you like to use fraction method.
Other stamp
Before = ⅓
After = ⅕
Since numerator are same for before and after,
We can tell that total at 1st=3u and total after +156 = 5u
Therefore, 5u-3u = 156
2u = 156
1u = 78
Total at 1st = 3u = 3×78 = 234 stamps
Thank you so mucb fkr the help
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