Respuesta :
What we know: Hannah buys 2/3 LB
Uses 1/4 LB
Well, the word "left" tells you that you would have to subtract 1/4 from 2/3. This is when you will have to find out the Least Common Denominator for both fractions.
Now, just subtract:
2/3-1/4
And you will end up with an answer of 5/12.
The fraction of roast she has left is 1/2.
How much roast does she have left?
Fractions are non whole numbers. They are made up of numerators and denominators. The numerator is the number above and the denominator is the number below.
The fraction of roast she did not use for lunch = 1 - 1/4 = 3/4
The fraction of roast she has left = 3/4 X 2/3 = 1/2
To learn more about multiplication of fractions, please check: https://brainly.com/question/1114498
