Divide both by 21 21 / 21 = 1 42 / 21 = 2 Answer: 21/42 = 1/2 = one half
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.
6/21 = 2/7 = 0.2857(just divide the 6 and 21 by 3 and you have your answer.)
-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).
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.
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.
Add 55 and 21, then divide by 2 = 38