9/11 is in its simplest form.
2/11
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 4, 28/44 is equal to 7/11 or seven elevenths.
Five elevenths (5/11) plus seven elevenths (7/11) is twelve elevenths (12/11), or, in proper form, one and one eleventh (1 1/11).
0.63 repeating
9/11 is in its simplest form.
2/11
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 4, 28/44 is equal to 7/11 or seven elevenths.
Five elevenths (5/11) plus seven elevenths (7/11) is twelve elevenths (12/11), or, in proper form, one and one eleventh (1 1/11).
0.63 repeating
two elevenths is already in its simplest form. 11 is a prime number
It is a negative fraction of -7/18 in its simplest form
Since both 3 and 11 are prime numbers, 3/11 is already in its simplest form.
11/22 + 4/22 = 15/22 which is in its simplest form.
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 9. 63/99 is equal to 7/11 or seven elevenths.
Expressed as a proper fraction in its simplest form by dividing the numerator and denominator by 3, 21/33 is equal to 7/11 or seven elevenths.
Expressed as a proper fraction in its simplest form, -0.35 is equal to -7/20 or negative seven twentieths.