Ray Ho's answer to Marco oh's Primary 5 Maths Fractions Singapore question.
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1) 12*2/5 = 24/5
= 4 4/5 m
8 - 4 4/5 = 3 1/5
3 1/5 = 3 * 5 /5 + 1/5 = 15/5 + 1/5 = 16/5
16/5 = 16*4/20 = 64/20
64/9= 7 1/9
7*9=63
64-63 = 1
1/20 m remaining
= 4 4/5 m
8 - 4 4/5 = 3 1/5
3 1/5 = 3 * 5 /5 + 1/5 = 15/5 + 1/5 = 16/5
16/5 = 16*4/20 = 64/20
64/9= 7 1/9
7*9=63
64-63 = 1
1/20 m remaining
Date Posted:
4 years ago
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