Question 130017
Write the ratio of 10 1/2 to 25 1/5 as a fraction in simplified form.

10 1/2  =21/2  and       25 1/5 = 126/5

(21/2) / (126/5)   means 21/2 divided by 126/5
to divide fractions   21/2 multiply 5/126 = 105/252   reduce to 5/12