How do I solve this problem 7 2/3 + n = 9 1/12

7 2/3+n=9 1/12

3•4=12

2•4=8

7 8/12+n = 9 1/12 (these fractions have common denominators)

switch the operation ( + to - ) and get the fraction by themselves

8/12-1/12=7/12

now subtract the whole numbers

9-7=2

finally answer 2 7/12