Answer:
1/3
Step-by-step explanation:
To simplify the fraction 7/21 in its simplest form, you first have to find the common factor between the two numbers, which in this case is seven. Next, divide the numerator and denominator by the factor. So...
7÷7=1
21÷7=3
Seven over twenty-one is the same as one-third, or one over three.
