Subtracting Fractions: Subtracting Fractions With the Same Denominator
This clip explains that subtracting fractions which have the same denominator simply requires that the smaller of the numerators be subtracted from the larger of the numerators, all over the denominator.
Subtracting Fractions: Subtracting Mixed Numbers
This clip explains that, when subtracting mixed numbers, "Â…the safest thing is to change them both to improper fractions and use the rules for fractions."
Subtracting Fractions: Summary: Subtracting Fractions
This clip summarizes subtracting fractions, explaining that the first step is to express the fractions with a common denominator. The clip also states that we can easily subtract mixed numbers by changing them to imprope..
Subtracting Fractions: Two Problems: Take-Away and Missing Addend
This clip explains that we subtract fractions in at least two kind of problems: take-away and missing addend. It then provides an example of each, along with instructions on how to solve them. In the take-away problem gi..
Subtracting Like Terms
Subtracting like terms demonstrated and applied to a practical problem.
Subtracting Rational Expressions
Rational expressions with the same number in the denominator are subtracted.
Subtracting Signed Numbers: Exercise in the Subtraction of a Negative Number, An
This clip provides an exercise in which the student must solve a subtraction problem involving a negative number. The clip includes the steps necessary to solve the problem, as well as the correct answer.
Subtracting Signed Numbers: Shortcut in Subtracting Signed Numbers, A
This clip takes the student through a 3-step shortcut in subtracting signed numbers. Step 1 is to change the sign of the subtrahend from negative to positive or positive to negative. Step 2 is to change the subtraction t..
Subtracting Signed Numbers: Subtracting Any Number is the Same as Adding Its Opposite
This clip explains that there's a way to subtract signed numbers that doesn't involve the number line. Through a series of examples, the clip demonstrates that subtracting any number is the same as adding that number wit..
Subtracting Signed Numbers: Subtracting a Larger Number From a Smaller Number
This clip explains the steps necessary to solve a problem in which a larger number is subtracted from a smaller number.