5) In order to add both fractions they must be have like denominators, multiple 1 by 14 to make it like 63/14. Next multiply the two by 14 which equals 28.

6)91/14

8)then simplify which you can take 7 out of both the denominator and nominator. 91/6=13 and 14/2

s=13/2

P.s I can help with adding fractions and multiplying them.