To find equivalent expressions with a least common denominator (LCD), first identify the denominators of the given expressions. Factor each denominator to find the least common multiple, which will serve as the LCD. Next, rewrite each expression so that its denominator matches the LCD by multiplying the numerator and denominator by the necessary factors. Finally, simplify the resulting expressions if needed, ensuring they remain equivalent to the original expressions.
When the denominators are relatively prime, that is, they have a GCF of 1.
When multiplying fractions, it is not necessary to find the LCD first.
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The LCD for 8 and 10 is 40. To find it, list the multiples of both numbers. The first multiple that they have in common is the LCD.
You need at least two numbers to find an LCD. If that's 12 and 115, the LCD is 1380. If that's 121 and 15, the LCD is 1815.
No
Lcd/lcm
(1) find the LCD. (2) find the factor that each original denominator needs to be multiplied by to get the LCD. (3) multiply both the numerator and the denominator by that factor.
Equivalent expressions.
the answer is a(n) equationequationWhen two expressions are equivalent they can form an equation.
You can use them to find a variable. Lets say you have two equivalent expressions with the same variable... x + 2x - 42 = 0 2x - 28 = 0 If you combine these equivalent expressions you ahve... x + 2x - 42 = 2x - 28 In all of the expressions you have x = 7 There are also other applications but its confusing to explain.
For the first fraction, divide the give denominator into the LCD, take that result and multiply by the given numerator to create a new numerator for the LCD. Repeat for each fraction.
subtract? Find a common denominator (LCD is preferred). Convert each fraction to an equivalent fraction with the LCD. Add numerators, keep LCD as new denominator. Reduce the fraction.
equivalent expressions
No. You can solve this by converting both to the lcd (Least common denominator) 4/15=8/30 3/8=9/24 They are not equal, so the two expressions are not equivalent.
A statement that equates two equivalent expressions is called an Identity.
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