Here is your answer:
7. 3×1=3
7×1=7
2. 5×1=5
7×1=7
=5 -2/7
Step one: write the equation
Step two: find the common denommarator (which is 7)
Step three: subtract 3-5= which equals to negative 2
Step four: subtract the whole numbers ( 7 and 2) which gives you five
Your answer is...
5 -2/7