4/3
90 is your common denominator.
Before you can add fractions, you first need to convert the fractions so they have common denominators. Two thirds is equal to four sixths, so now we can add the fractions that have common denominators. Four sixths and five sixths equals eleven sixths, or one and five sixths left over. Now, add your whole numbers...one, four and the one gained when we converted the fraction equals six and five sixths.
2 sixths
5/12
No.
The least common denominator of five sixths and one fourth is: 12.
1/2
It remains as 5/6
5/6
12/144 or 24/144
Four and one fourth equals the proper fraction 17/4, and two and five sixths equals the proper fraction 17/6. The least common multiple of 4 and 6 is 12; 51/12 - 34/12 = 17/12.
7/12 or seven twelfths