Adding and Subtracting Fractions

 $\frac{8}{9}\ -\ \frac{1}{3}\ =\$  

The Ortega family made  $\frac{15}{16}$  pounds of confetti for the Annual Fiesta Celebration in San Antonio. They used  $\frac{1}{4}$  pound to make confetti filled eggs. How much confetti is left to use next year?

 $\frac{1}{3}$  +  $\frac{1}{2}$  =

 $\frac{1}{5}\ and\ \frac{5}{6}$  What number could be a common denominator for these two fractions:

At the neighborhood block party, Chaz served  $\frac{1}{2}$  of a gallon of hot cocoa and  $\frac{1}{10}$  of a gallon of apple cider. How much hot cocoa and apple cider did Chaz serve? 

What is  $\frac{2}{3}$  +  $\frac{4}{5}$  ?

What is  $\frac{8}{9}$  -  $\frac{5}{6}$ =  ?

What must you have to in order to add and subtract fractions?

Mrs. Alexander wants to paint her bedroom, bathroom and closet. She uses  $\frac{3}{8}$  gal in her bedroom,  $\frac{1}{4}$  gal in her closet and  $\frac{1}{3}$  gal in her bathroom. How much of the gallon did Mrs. Alexander used? 

There are 75 fifth graders at Puckett Elementary. If 35 are GIRLS, what fraction of the whole fifth grade is BOYS? (hint: simplify the fraction)