17 twelfths or 1 and 5 twelfths.
Seven-twelfths
One fourth is three twelfths. So eleven twelfths minus three twelfths is eight twelfths, which is also two thirds.
3 twelfths
14 has 168 twelfths. 1/4 has 3 twelfths.
We convert this to twelfths to give: 10 twelfths + 4 twelfths + 9 twelfths = 23 twelfths or 1 and 11 twelfths.
17 twelfths or 1 and 5 twelfths.
1/7 x 12/9 = 12/63 = 4/21
Seven-twelfths
3 quarters is 9 twelfths, so 9 twelfths minus 3 twelfths is 6 twelfths, which is also a half.
If we convert to the same denominators:Nine twelfths subtract six twelfths = Three twelfths.
One fourth is three twelfths. So eleven twelfths minus three twelfths is eight twelfths, which is also two thirds.
3 twelfths
14 has 168 twelfths. 1/4 has 3 twelfths.
We convert the fractions to twelfths: 1 + 8 twelfths + 9 twelfths. 1 + 17 twelfths 2 and 5 twelfths.
Just get them all to a common base - 4 twelfths + 6 twelfths = 10 twelfths OR 5/6
nine twelfths eight twelfths ........ down to .........one twelfth