28 over 567 in its lowest terms is 4/81
306 over 56 in lowest terms is 153 over 28.
20 over 35 as a fraction in lowest terms is 4/7
5625 / 2835 = 125/63 in lowest terms.
352/555 in lowest terms is 1/9.
81/20 is already in lowest terms.
in the lowest terms it would be 5 over 12
6/10 in lowest terms is 3/5
375/1000 in lowest terms is 3/8
6 over 7
19 over 12 is in lowest terms, and this is because there is no number that goes into both 19 or 12 besides one. So 19/12 is in lowest terms.
7/9