You can't simplify it because the numerator and the denominator are not the same.
9/21
63/126 simplified is ½.
No
Expressed as a mixed number in its simplest form, 126/84 is equal to 1 1/2 or one and a half.
189
1\2 and 3\4
950/1260 and 9500 12600
They are: 42/47 and 126/141
To subtract fractions, the denominators (bottom numbers) must be equal; so first convert the fractions into equivalent fractions with the same denominator. Then the numerators (top numbers) are subtracted and the resulting fraction simplified: 7/13 - 1/18 = 126/234 - 13/234 = 113/234
9/21
it is 3
It is: 78/126 = 13/21 simplified
126/12 = 21/2 or 10.5
1 over 9
1/2
It is: 9/14
It is 63/126 = 1/2 simplified