The first one is 4
Second is 5/9
Third is 1/2
Fourth is 11
How to solve:

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Write all numerators above the least common denominator which is 24 in this case.

Subtract the numbers

Alternate form: 0.458333
The final, simplified, fraction answer is:
Answer:
(c). Angle 12 and 9
Step-by-step explanation:
Download the app photo math and there is the answer