You can enter the amount of the fellowship by using the Education Section under Deductions & Credits
Go To-
Deductions & Credits
Education
Expenses and Scholarships (Form 1098-T) START
Go through the Education interview, it will ask for school information and expenses first, but finally you will land on the screen to enter the Fellowship.
This will report the scholarship on Schedule 1 line 8r
According to the IRS:
“ certain non-tuition fellowship and stipend payments not reported to you on Form W-2 are treated as taxable compensation “…..
“These include amounts paid to you to aid you in the pursuit of graduate or postdoctoral study and included in your gross income under the rules discussed in this chapter. Taxable amounts not reported to you on Form W-2 are generally included in gross income as discussed later under Reporting Scholarships and Fellowship Grants.”…
“ Include any taxable amount not reported to you in box 1 of Form W-2 on Schedule 1 (Form 1040), line 8r.”