How do I solve this problem 7 2/3 + n = 9 1/12
7 2/3+n=9 1/123•4=122•4=87 8/12+n = 9 1/12( these fractions have common denominators) switch the operation (+ to -) and get the fraction by themselves8/12-1/12=7/12now subtract the whole numbers9-7=2finally answer 2 7/12