Question

78 supra 25:26 supra 5
5 intregi 1supra 4 : 21 supra 2
11intregi 2 supra 3 :36 supra 5
42 supra 5 : 8 intregi si 2 supra 5
10intregi si 2 supra 9 :11 intregi si 4 supra 4
20 intregi si 2 supra 3 : 15 intregi si 2 supra 4

Answer 1

78/25:26/5=78/25·5/26=3
5intreg1/4:21/2=21/4:21/2=21/4·2/21=1/2
11intreg2/3:36/5=35/3:36/5=35/3·5/36=175/108
42/5:8:2/5=42/5·1/8·5/2=21/8
11intreg2/9:11intreg4/4=92/9:48/4=92/9·4/48=23/27
20intreg2/3:15intreg2/4=62/3:62/4=62/3·4/62=4/3