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Q: What is the lcd of 21 13 and 14 15?

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lcd(21, 14, 26) = 546. 21 = 3 x 7 14 = 2 x 7 26 = 2 x 13 lcd = 2 x 3 x 7 x 13 = 546

42

273

It is: 105

It is: 462

20

126

the LCD is the LCM (least common multiple) of the two number which is 105 in this case

13/15 = 65/75 21/25 = 63/75 13/15 is bigger.

13/14 ÷ 21/2 = 13/147

15+6 is 21. 13 + what is 21? 21 - 13 is 8 Eight

No, they are integers. If they were denominators, their LCD would be 42.

It is: 294 which is the same as its LCM

The least common multiple of the numbers 13, 21 and 14 is 546.

LCD(18, 21) = 126

LCD(9, 21) = 63

LCD(49, 21) = 147

They are 6, 10, 14, 15, 21, 22.They are 6, 10, 14, 15, 21, 22.They are 6, 10, 14, 15, 21, 22.They are 6, 10, 14, 15, 21, 22.

16.5 is the median.

It is: 14+15+22+21 = 72/4 => 18 which is the mean average

The sum of 3/14 and 13/21 is 5/6.

LCD(9, 7, 21) = 63

21

the LCD of 5 and 7 is explanation: 7: 14, 21, 28, 35, 42, 49, 56, 63, 70 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 so the LCD is 5 and7 is 35

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