Can amount shown on the 1098T be applied to the AmericanOpportunityTaxCredit or do I need to subtract amount fromthe prepaid tuition plan from the amount shown on 1098T

Can the total amount shown on the 1098-T form be applied to the American Opportunity Tax Credit or do I need to subtract the amount that the pre-paid tuition plan paid from the total amount shown on the 1098-T form ?