5. Знайди частку:
1) 42/3 : 8/9 = 14/3 : 8/9 = 14 • 9/3 • 8 = 7 • 3/1 • 4 = 21/4 = 51/4;
2) 31/3 : 26/7 = 10/3 : 20/7 = 1 • 7/3 • 2 = 7/6.