Xinyi Wang's answer to ND's Primary 5 Maths Fractions Singapore question.
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2 5/8 x3:
1. Change to improper fraction
2x8=16
16+5=21
Multiply by 3:
21x3=63
2. Change back to proper fraction
63/8:
- 7x8=56
- 63-56 = 7
Hence 63/8 is 7 7/8
1. Change to improper fraction
2x8=16
16+5=21
Multiply by 3:
21x3=63
2. Change back to proper fraction
63/8:
- 7x8=56
- 63-56 = 7
Hence 63/8 is 7 7/8
Date Posted:
3 years ago
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