5 factors into 1 and 5
6 factors into 2 and 3
Therefore, the least common multiple is 1*2*3*5 = 30
This is what you would use for the LCD, convert the fifths and sixths into thirtieths.
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I can't tell if you meant to type another number.The LCD of 3/4 and 5/I'll guess 6.The LCD of 3/4 and 5/6 is 12
The LCD of 3/6 and 4/5 is 30
2/3 and 3/4Looks like 12 here, so use form of one to convert both fractions to LCD form.4*2/4*3 and 3*3/3*48/12 and 9/12==========
If that's 84 and 35, the LCD is 420.If that's 8/4 and 3/5, the LCD is 20.
The LCD of 1/4 and 1/6 is 12