You need to know the least common denominator (LCD) of 25 and 6 if you want to add or subtract two fractions with 25 and 6 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 25 and 6 is 150.
Here is a math problem example where you need to know the LCD of 25 and 6 to solve:
3/25 + 2/6 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
150/25 = 6
150/6 = 25
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 6 = 18
2 x 25 = 50
Step 3) Put it all together to solve the problem:
18/150 + 50/150 = 68/150
= 3/25 + 2/6 = 68/150
It's that easy! Once again, the lowest common denominator (LCD) of 25 and 6 is as follows:
150
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