Adding Mixed Numbers

Eg. 1 1/3 + 1 1/4

First your find the L.C.M

3 - 3,6,9,12

4 - 4,8,12

Then add how many multiples to the numerator

1/3 = 4/12

1/4 = 3/12

Then add them together

4/12 + 3/12 = 7/12

Then add the whole numbers

1 + 1 = 2

Then combine the fraction and whole number

2 7/12