Answer: 6 : 7
Step-by-step explanation:
18 : 21
18 and 21 can be divided by 3
which means it leaves 6 : 7
Answer:
6:7
Step-by-step explanation:
divide 18 by 3 giving 6
divide 21 by 3 giving 7.
Both 6 and 7 cannot be divided anymore and the ratios is of 6:7
