If the denominator (the lower part of the fraction) is the same you just add the numerators (the upper part) and place the result over the common denominator.
Four twelfths plus one fourth can be simplified by converting one fourth into twelfths. One fourth is equivalent to three twelfths, so adding four twelfths and three twelfths gives you seven twelfths. Therefore, four twelfths plus one fourth equals seven twelfths.
7/12 + 5/12 = 12/12 = 1
two and one-fourth
We convert this to twelfths to give: 10 twelfths + 4 twelfths + 9 twelfths = 23 twelfths or 1 and 11 twelfths.
nine and seven twelfths
Seven-twelfths
The answer is 1.
twelve and four twelfths
seven twelfths.
10 3/12
7/12 + 5/12 = 12/12 = 1
Seventeen twelfths (17/12)
two and one-fourth
We convert this to twelfths to give: 10 twelfths + 4 twelfths + 9 twelfths = 23 twelfths or 1 and 11 twelfths.
nine and seven twelfths
29/24 = 15/24 = 1.208333...
49/36 or 1 13/36