15 divided by 5 is 3 and 15 divided by 3 is 5
15
5
15 ÷ 16 ÷ 3 = 0.3125
3
5
5
common divisor is 3 and 1 6 divided by 3 = 2 6 divided by 1 = 6 15 divided by 3 = 5 15 divided by 1 = 15 21 divided by 3 = 7 21 divided by 1 = 21
0.2
45 ÷ 15 ÷ 3 + 2 = 3
-18
1000 cm3 = 1 litre so 15 cm3 = 0.015 litres.