Shawn's answer to Rachael's Primary 5 Maths Fractions Singapore question.
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Yes, 4 is correct. 42+42+.....+42+9 is the number. Since 42 is a multiple of 7 too. This number when divided by 7 is like (42/7)+(42/7)+......+(42/7)+(9/7). Since the 9/7 will produce a remnainder, what must you add to 9 to make it a multiple of 7? Add 5, 9+5=14.
Date Posted:
3 years ago
Thanks！
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