One third of 21 is calculated by dividing 21 by 3, which equals 7. Therefore, 1 third of 21 is 7.
21
To find one third of 21, you would divide 21 by 3. This calculation gives you 7, which is one third of 21. In mathematical terms, 1/3 of 21 is equal to 7.
One third divided by seven = 1/21
7/21 + 3/21 = 1021
5/7 + 1/3 = 15/21 + 7/21 = 22/21 = 1 1/21
12/21 - 7/21 = 5/21
1/3 of 21 = 71/3 of 21 = 71/3 of 21 = 71/3 of 21 = 7
To add one third and one seventh, we need to find a common denominator. The least common multiple of 3 and 7 is 21. So, we can rewrite one third as 7/21 and one seventh as 3/21. Adding these fractions together, we get 7/21 + 3/21 = 10/21. Therefore, one third plus one seventh is 10/21.
1/3 - 1/7 = 7/21 - 3/21 = 4/21.
1/7 + 1/3 = 3/21 + 7/21 = 10/21
It is 10/21.
7 counters.