Divide both by 21 21 / 21 = 1 42 / 21 = 2 Answer: 21/42 = 1/2 = one half
When you divide 21 by 2, you get the quotient of 10.5. This is because 21 divided by 2 equals 10.5. In mathematical terms, 21 ÷ 2 = 10.5. The result is a decimal because 21 is not evenly divisible by 2.
0.4286
(21 x 2,54) / 9 = 5,92666667
672 is an even number, so it divides by 2. Do this. 672/2 = 336. Also even, so divide by two. 336/2 = 168. Also even, so divide by two. 168/2 = 84. divide by 2 84/2 = 42. divide by 2. 42/2 = 21. 21 is not even. Does it divide by 3 ? Bingo !! count up the twos above - 5 of them. So, 672 = 2x2x2x2x2x3x7.
-44
Divide 42 by 2 to give you 21.
Divide both by 21 21 / 21 = 1 42 / 21 = 2 Answer: 21/42 = 1/2 = one half
Multiply 21 with the numerator (2), then divide the result by the denominator (3).
When you divide 21 by 2, you get the quotient of 10.5. This is because 21 divided by 2 equals 10.5. In mathematical terms, 21 ÷ 2 = 10.5. The result is a decimal because 21 is not evenly divisible by 2.
0.4286
divide by 21
The quotient of a number and 21 is the result obtained when you divide the number by 21. For example, if you divide 42 by 21, you get a quotient of 2. If you divide 63 by 21, you get a quotient of 3. And so on. The quotient can be an integer or a decimal number, depending on the numbers you’re dividing.
21
(21 x 2,54) / 9 = 5,92666667
To find half of 84, you divide 84 by 2, which equals 42. To find half of 42, you divide 42 by 2 again, which equals 21. Therefore, a half of a half of 84 is 21.
10.5