By definition, if you have one twelfth, it takes 12 to make a whole.
20
30
There are 28 sevenths in 4 wholes because 28/7 = 4
There are 40 of them because 40/10 = 4
How many thirds are there in two wholes
There are 21 thirds in 7 wholes.
12 thirds.
11 thirds
6 Thirds are in 2 wholes. 3 in 1 whole.
There are: 15/3 = 5 wholes
There are twelve thirds in four wholes.
18
3
9
6, each whole is 3 thirds
One