Work this out by giving your answer as a fraction 2/3 - 1/2

When subtracting fractions, you need to make sure the denominators are the same. In 2/3 - 1/2, the denominators are different. To make them the same, find the least common denominator. In this case, the common denominator is 6

2/3 becomes 4/6

1/2 becomes 3/6

Now subtract the fractions with the common denominator

4/6 - 3/6 = 1/6

The answer is 1/6

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7/6 or 1 1/6

Step-by-step explanation:

First, multiply both denominators so that they are both the same and equal each other. In this case that number is 6. Once they are both have the same denominator, you can add the numerators and keep the same denominator since it's the same thing. So you would add 4 plus 3 and get 7 as your numerator and keep 6 as your denominator,

2/3 = 4/6

1/2= 3/6

4/6 + 3/6 = 7/6 or 1 1/6

51

step-by-step explanation:

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