.38 with bar notation on 8
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You can divide both by 3. 18/ 21 = 6/7 6/7 is your answer.
The problem is 3 divided by 6/7. you can't divide a whole without putting it into a fraction, so 3 becomes 3/1, so the problem is now 3/1 divided by 6/7. to divide this, you have to multiply the reciprocal, or 7/6. so 3/1 times 7/6 equals 21/6, or 3.5 Note: You can also do 3 / 6 / 7 which would get you 14
2.3333
(3/7)/(15/2)=(3/7) times (2/15) = 6/105 = 2/35
You need to divide it by 6/7.