How Many Times Does 21 Go Into 78 ?

How many 21 number inside 78 number.

Step-by-Step Calculation

1 - Division Basics

Division is the process of determining how many times one number (the divisor) is contained within another number (the dividend).

In this case, 21 is the divisor, and 78 is the dividend.

2 - Perform the Division

To find out how many times 21 goes into 78, we perform the division 78 ÷ 21 .

3 - Calculate

Divide 78 by 21:

78 ÷ 21 = 3.7143

However, since we are looking for how many times 21 fully goes into 78, we focus on the whole number part of the quotient.

4 - Result

21 goes into 78 exactly **3 times** with a remainder.

5 - Check the Remainder

Multiply the quotient (3) by the divisor (21):

3 × 21 = 63

Subtract this product from the original number (78):

78 - 63 = 15

So, the remainder is 15.

Conclusion

Answer: 21 goes into 78 exactly **3 times** with a remainder of 15.
Remainder: 15