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YESS 7/21 has the factor of '7' in both numbers .
So cancel down by '7'
Hence
7/21 = 1 /3
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Continue Learning about Algebra
What is 14 over 21 plus 1 over 7?
14/21 + 1/7 = 17/21
What is 2 thirds x 6 sevenths?
In order to do this problem, you need to multiply directly. So, 2 over 3 times 6 over 7. First, we're going to do the top. 2 times 6 is 12. The bottom is 3 times 7, which is 21. Your answer is 12 over 21, but they can be both reduced by 3, so your final answer is 4 over 7.
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5 over 7 is greater than 3 over five. You have to find a common denominator. The common denominator is 35 so 5 over 7 would become 25 over 35 and 3 over 5 would become 21 over 35. 25/35 > 21/35 = 5/7 > 3/5
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