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primary 5 | Maths
| Fractions
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Date Posted: 4 years ago
Views: 278
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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
Bad and suck
2) 10*2 /5 = 20/5
20/5 = 4 kg
12-4=8
8kg = 8*7/7
56/7
56/6 = 9 2/6
Don’t be tricked this 6 is the big bag
The real weight is actually 7 parts
a) 9 packs
b) 9*6=54
56-54=2
answer: 2/7 kg
20/5 = 4 kg
12-4=8
8kg = 8*7/7
56/7
56/6 = 9 2/6
Don’t be tricked this 6 is the big bag
The real weight is actually 7 parts
a) 9 packs
b) 9*6=54
56-54=2
answer: 2/7 kg
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