what is the missing part of this 7/12=49/?

36/24=?/16
6/?=18/39
next part:
convert the mixed numbers to improper (topheavy) fractions:
2&3/5
3&4/7
8&1/2
convert the improper fractins to mixed numbers:
17/6
25/8
22/4

this is onli a small part of my home work please do as much of it as you can.thank you.

2 answers

7/12 = 49/84

13/5

2 5/6

If you post your answers to the rest of the problems, we'll be happy to check them.
24/16