Hard
Express 9/72 in its lowest terms.
Explanation
Explanation
The HCF of 9 and 72 is 9. Dividing numerator and denominator by 9 gives 9/72 = 1/8, which is in lowest terms since the new numerator and denominator share no common factor other than 1.
PRO TIP
Re-check your working by substituting the answer back into the original question.