5 2/3 * 9/34 и 11 1/2 : 8 5/8

8/15 * 20/24 и 1 8/27 : 1 2/3

5 2/3×9/34=17/3×9/34=3/2=1 1/211 1/2÷8 5/8=23/2÷69/8==23/2×8/69=4/3=1 1/31 1/2 больше 1 1/3===============8/15×20/24=4/91 8/27÷1 2/3=35/27÷5/3==35/27×3/5=7/97/9больше 4/9