What equivalent fractions can you use to find the difference of 5 3/12 - 1 4/9

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Shelly bought a house five years ago for $150,000 and obtained an 80% loan. now the home is worth $140,000 and her loan balance has been reduced by $12,000. what is shelly's current equity?

There are 85 apples on the big tree, john picked out 15%. how many did john pick out?