Answer:
97/100
Explanation:
9/10= 90/100
90/100 + 7/100 = 97/100
9/10 + 7/100
find the common denominator for 9/10 which is 100
multiply by 10 for 9/10
(9)(10)=90
(10)(10)=100
90/100+7/100
7.2m questions
9.6m answers