See attache picture for answer
63 m3
9×2=18
18×7=126
126÷2=63
2x-x-7=0
3x-7=0
add 7 to 7 and 0, so then we cross out 7-7, and then
3x=7, bc u change the subtraction to addition, sr if thst doesn't make sense but 3x=7 is the answer
If you want just 1430/75 in fraction form then:

after you divide it by 5.
If you want the divided number in fraction form then:

both give the same answer so it doesn't matter.