Q:determine a common denominator for the fraction pairs.
4/8 and 3/4=
A: ?????
2 answers
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The Least Common Denominator (LCD) is the Least Common Multiple of two or more denominators.
For the denominators (8, 4) the least common multiple (LCM) is 8.
Calculations to rewrite the original inputs as equivalent fractions with the LCD:
4 / 8 = 4 ∙ 1 / 8 ∙ 1 = 4 / 8
3 / 4 = 3 ∙ 2 / 4 ∙ 2 = 6 / 8
For the denominators (8, 4) the least common multiple (LCM) is 8.
Calculations to rewrite the original inputs as equivalent fractions with the LCD:
4 / 8 = 4 ∙ 1 / 8 ∙ 1 = 4 / 8
3 / 4 = 3 ∙ 2 / 4 ∙ 2 = 6 / 8