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LCD

1.1/2 4/x^2 <<1/2 or 2

2.1/z;3/7z << HELP

3. 3/5;x/x+2 << Help

4. 3m/m+n; 3n/m-n<< Help

I need help or equations on how to solve this please

2 answers

you need a denominator which is the least common multiple of the given denominators.

For example, if you have 2/3 and 3/5, the LCD is 3*5

So, these work the same way.

#1: 2x^2
#2: 7z
#3: 5(x+2)
#4: (m+n)(m-n)
Thank you! I didn't rea;;y understand it, but this helped