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Q: Is 3 over 14 equivalent to 21 over 84?

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Some equivalent fractions of 49/84 are: 7/12 = 14/24 = 21/36 = 28/48

2/6, 7/21, 1/3, 28/84, etc, etc, ETC.

equivalent fractions of 3/21 = 6/42, 9/63, 12/84,...

The LCM is 84.

The LCM is: 84

fractions equivalent to: 5 over 7 = 10/14, 15/21, 20/28,... 60 over 84 = 5/7, 30/42, 20/28,...

6 over 4 is the same as 21 over 14 because if you set it up as a proportion and do 6*14 and 21*4 it would equal the same thing (which would be 84)

No. To convert 25/40 to something/84, multiply top and bottom by 84 ÷ 40 = 21/10 40 x 21/10 = 84 25 x 21/10 = 521/2 ≠ 60

It is any fraction of the form (21*k)/(84*k) where k is a non-zero integer, or a common factor of the two.

The LCM of 14 and 21 is 42. What this means is that 42 is the smallest whole number such that both 14 and 21 divide into it (without remainder). Both 14 and 21 divide into 84, for example, so 84 is a common multiple. But 42 is smaller than 84 so 84 is not the least.

84

84

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