Mary shipped two packages to her friend the first package weighed 2 5/6 grams and second package weighed 1/2gram the price to ship 3 dollar per grem how much did mary pay to ship the two packages
First you must get a common denominator for both fractions. In this situation its 6. 2 5/6 + 3/6 = 3 2/6. if she pays 3 dollars per gram she pays 9 dollars.
