PLEASE ANSWER THE SCREENSHOT ASAP.

Answer:
2.7 ounce
Step-by-step explanation:
so first we need to convert the improper fractions into a whole fraction:
7[tex]\frac{5}{12}[/tex] = 89/12
[tex]4\frac{5}{7}[/tex] = 33/7
then you find out:
89/12 = 7.4
33/7 = 4.7
∴7.4-4.7 = 2.7 ounce