Question

Hannah buys 2/3 pound of roast beef.She uses 1/4 pound to make a sandwich for lunch. How many roast beef does she have left

Answer 1

2/3 - 1/4

=> taking L.C.M of the denominators we get,

=> 8/12-3/12

=> 5/12 is left with her,, ;)

HOPE THIS HELPS YOU...;)