goodsamathritan's answer to Erin's Primary 6 Maths Fractions Singapore question.
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1. Turn 3:5 into 6:10 so that we get a nice whole number when we halve 10u.
2. If B had 75 more than C in the end, it also means C had 75 fewer than B. Hence, if B(after) is 5u, C(after) is 5u-75.
2. If B had 75 more than C in the end, it also means C had 75 fewer than B. Hence, if B(after) is 5u, C(after) is 5u-75.
Date Posted:
4 years ago
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