Write the greatest common factor of the numerator and denominator of the following fractions. 7 / 9, 8 / 36, 18 / 72,

Write the greatest common factor of the numerator and denominator of the following fractions. 7 / 9, 8 / 36, 18 / 72,

The greatest common factor of 7 out of 1.9 is 1
The greatest common factor of 8 out of 2.36 is 4
The greatest common factor of 18 out of 3.72 is 18
The greatest common factor of 9 out of 4.15 is 3