How do I calculate the change in mixed numbers

You must turn all of the mixed numbers into improper form. Then you subtract

Step-by-step explanation:

1) Multiply the denominator with the number

2) Take the product and add it to the numerator

*congratulations, you made an improper fraction*

3) Repeat steps 1 and 2 for your next mixed number

4) Make sure the denominator is set equal to each other

5) Subtract fractions like normal

b.an increase in a causes b to decrease

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons