26 and 21/20
= 26 + 1.05
= 27.05
1.05
21
7/21:= 7 ÷ 21= 0.333 in decimal
7 4/21 in decimal form is 7.190476 . . .
821/40 = 8.525
0.913
3
21/20 is in its simplest form.
The fraction 20/21 is already in lowest terms.
0.7
121 is already in the simplest form. It can be written as 0.047619 in decimal form (rounded to 6 decimal places).
-9 divided by 20 is -4.5