The least common multiple is the smallest positive number that is a multiple of two or more numbers.
8: 16, 24, 32, 40
10: 10, 20, 30, 40
The least common multiple for 8 and 10 is 40.
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The Least Common Multiple (LCM) for 10 30 40 50 is 600.
Well, honey, to rewrite 5/8 and 7/10 with the least common denominator, you first need to find the least common multiple of 8 and 10, which is 40. Then, you can rewrite 5/8 as 25/40 and 7/10 as 28/40. Voila! Now you have them both with the same denominator, making it easier to compare those sassy fractions.
You need at least two expressions to find something in common between them. The GCF of 2x and 10 is 2.
It's 90. 18x5=90. 10x9=90.
I am not entirely sure what you mean with "clear". But if you want to get rid of fractions in an equation, you can multiply both sides of the equation by the least common multiple of the fractions. For example, take the equation: (1/2)x + 3 = (1/5)x If you multiply both sides by 10, you get: 5x + 30 = 2x