A fraction in which the factor of the numerator and the denominator is 1 is known as a <span>reduced, or simplified, fraction. </span> <span>68 is not reduced (or not simplified) because 68 =2⋅32⋅2⋅2 </span> <span>34 is a reduced, or simplified, fraction: 1⋅31⋅2⋅2</span>
