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Find the Lowest Common DenominatorFind the Lowest Common Denominator
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Question 1 of 5
1. Question
Find the Lowest Common Denominator (LCDLCD) between the numbers:5 & 85 & 8- (40)
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The Lowest Common Denominator (LCD) is the lowest number that is a multiple of both said numbers.Method OneStart by listing out the multiples of each numberMultiples of 55:5101520253035404551015202530354045Multiples of 88:8162432404881624324048Identify the smallest number that is both a multiple of 55 and 88Multiples of 55:5101520253035404551015202530354045Multiples of 88:8162432404881624324048The LCD of 55 and 88 is 40404040Method TwoMultiply the two numbers5×85×8 == 4040 The LCD of 55 and 88 is 4040Note that at times, this method will give out the highest common denominator. So, Method One is more accurate.4040 -
Question 2 of 5
2. Question
Find the Lowest Common Denominator (LCDLCD) between the numbers:8 & 48 & 4- (8)
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The Lowest Common Denominator (LCD) is the lowest number that is a multiple of both said numbers.Start by listing out the multiples of each numberMultiples of 88:81624328162432Multiples of 44:481216481216Identify the smallest number that is both a multiple of 88 and 44Multiples of 88:81624328162432Multiples of 44:481216481216The LCD of 88 and 44 is 8888 -
Question 3 of 5
3. Question
Find the Lowest Common Denominator (LCDLCD) between the numbers:3 & 213 & 21- (21)
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The Lowest Common Denominator (LCD) is the lowest number that is a multiple of both said numbers.Start by listing out the multiples of each numberMultiples of 33:36912151618213691215161821Multiples of 2121:214263214263Identify the smallest number that is both a multiple of 33 and 2121Multiples of 33:36912151618213691215161821Multiples of 2121:214263214263The LCD of 33 and 2121 is 21212121 -
Question 4 of 5
4. Question
Find the Lowest Common Denominator (LCDLCD) between the numbers:4 & 104 & 10- (20)
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The Lowest Common Denominator (LCD) is the lowest number that is a multiple of both said numbers.Start by listing out the multiples of each numberMultiples of 44:48121620244812162024Multiples of 1010:102030102030Identify the smallest number that is both a multiple of 44 and 1010Multiples of 44:48121620244812162024Multiples of 1010:102030102030The LCD of 44 and 1010 is 20202020 -
Question 5 of 5
5. Question
Find the Lowest Common Denominator (LCDLCD) between the numbers:6 & 76 & 7- (42)
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The Lowest Common Denominator (LCD) is the lowest number that is a multiple of both said numbers.Start by listing out the multiples of each numberMultiples of 66:612182430364248612182430364248Multiples of 77:71421283542497142128354249Identify the smallest number that is both a multiple of 66 and 77Multiples of 66:612182430364248612182430364248Multiples of 77:71421283542497142128354249The LCD of 66 and 77 is 42424242
Quizzes
- Shaded Fractions 1
- Shaded Fractions 2
- Equivalent Fractions 1
- Equivalent Fractions 2
- Equivalent Fractions 3
- Equivalent Fractions 4
- Simplify Fractions 1
- Simplify Fractions 2
- Simplify Fractions 3
- Find the Lowest Common Denominator
- Comparing Fractions 1
- Comparing Fractions 2
- Comparing Fractions 3
- Mixed and Improper Fractions 1
- Mixed and Improper Fractions 2
- Mixed and Improper Fractions 3
- Add and Subtract Fractions 1
- Add and Subtract Fractions 2
- Add and Subtract Fractions 3
- Add and Subtract Fractions 4
- Multiply and Divide Fractions 1
- Multiply and Divide Fractions 2
- Multiply and Divide Fractions 3
- Add and Subtract Mixed Numbers 1
- Add and Subtract Mixed Numbers 2
- Add and Subtract Mixed Numbers 3
- Multiply and Divide Mixed Numbers 1
- Multiply and Divide Mixed Numbers 2
- Multiply and Divide Mixed Numbers 3
- Multiply and Divide Mixed Numbers 4
- Fraction Word Problems: Addition and Subtraction 1
- Fraction Word Problems: Addition and Subtraction 2
- Fraction Word Problems: Addition and Subtraction 3
- Fraction Word Problems: Addition and Subtraction 4
- Fraction Word Problems: Multiplication and Division
- Find the Fraction of a Quantity
- Find the Quantity of a Quantity 1
- Find the Quantity of a Quantity 2
- Find the Fraction of a Quantity: Word Problems 1
- Find the Fraction of a Quantity: Word Problems 2
- Find the Fraction of a Quantity: Word Problems 3
- Find the Fraction of a Quantity: Word Problems 4
- Find the Quantity of a Quantity: Word Problems
- Order of Operations Involving Fractions 1
- Order of Operations Involving Fractions 2