They are equivalent fractions as for example: 3/4 = 9/12
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Yes you have to add with the same denominator. when ever you do fractions they have to have the same denominator no matter what. So thats a yes
(y2-y1)(x2-x1) you plug in the equation to this formula and thats ur answer!
SQUARE thats right lol
Moles of reactants and products thats wut i put on my test
No but the denominators must be the same and you just add the numerators. If the denominators are different and you have to find which is greater you have to find a denominator that both numbers can multiply into. For example, 5/6 and 3/12 will be our fractions. 6 times to equals 12. Since 12 is the other denominator 3/12 stays the same. Thats the only time you can change the denominator.