How many times does 21 divide into 81?

How many times does the digit 21 appear in the number 81?

81 divided by 21 equals 3 with a remainder of 18

21
21
21
18

Step By Step Calculation

Step 1: Understand Division Terms

  • Dividend: The number being divided (81).
  • Divisor: The number dividing the dividend (21).
  • Quotient: The whole-number result of division.
  • Remainder: The amount left over after division.

Step 2: Set Up the Division

Calculate 81 ÷ 21 to determine how many times 21 fits fully into 81.

Step 3: Perform the Division

81 ÷ 21=3.8571428571429

  • Whole-number quotient: 3 (the number of times 21 fits completely into 81).

Step 4: Verify the Quotient

Multiply the quotient by the divisor to check:

3 x 21 = 63

Step 5: Calculate the Remainder

Subtract this product from the original dividend:

81 - 63 = 18

  • Remainder: 18 (the amount left over).

Final Answer

81 ÷ 21 = 3 R 18

  • 21 fits into 81 exactly 3 times with a remainder of 18.