To determine how many times 21 goes into 78, you would divide 78 by 21. The result of this division is approximately 3.7143. However, since we cannot have a fraction of a division, we would round down to the nearest whole number. Therefore, 21 goes into 78 three times with a remainder of 15.
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3 with the remainder of 15
your answer in decimal form would be 3.15
your answer in fraction form would be 3 15/78
your simplified fraction would be 3 5/26