You need to know the least common denominator (LCD) of 82 and 25 if you want to add or subtract two fractions with 82 and 25 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 82 and 25 is 2050.
Here is a math problem example where you need to know the LCD of 82 and 25 to solve:
3/82 + 2/25 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
2050/82 = 25
2050/25 = 82
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 25 = 75
2 x 82 = 164
Step 3) Put it all together to solve the problem:
75/2050 + 164/2050 = 239/2050
= 3/82 + 2/25 = 239/2050
It's that easy! Once again, the lowest common denominator (LCD) of 82 and 25 is as follows:
2050
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