Jan swam 7/8 of a mile on Monday. On Tuesday, she swam 1/4 of a mile. How much longer did she swim on Monday?

4/9 + 3/8

Group 1 of students read 7/9 of the books in the library. Group 2 of students read 9/10. How much more did group 2 read?

Violet brings 1/2 of a bowl of puttanesca to Count Olaf for dinner. Klaus brings 1/4 of a bowl. How much puttanesca does Count Olaf get to eat?

1/4 + 1/8

Mary eats 1/4 of a pizza. Emma eats 1/3 of a pizza. How much pizza is left?

3/14 + 4/7

Joe has 4/5 of a bag of marbles. He gives 1/2 of a bag of marbles to his friend. How many marbles does Joe have left?

Karlee makes 2/3 of her basketball shots during her first practice. She makes 1/7 of her shots during the next one. How many did she make in total?

Miles bakes 1/4 of a batch of cupcakes for a party. His friends eat 1/6 of them. How many does he have left?

1/2 - 1/5

3/5 + 1/3

Our class has a snowball fight. During our first recess, we use 1/8 of the snow on the field. During our second recess, we use 1/2 of the snow. How much snow did we use in all?