You need to know the least common denominator (LCD) of 25 and 83 if you want to add or subtract two fractions with 25 and 83 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 25 and 83 is 2075.
Here is a math problem example where you need to know the LCD of 25 and 83 to solve:
3/25 + 2/83 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
2075/25 = 83
2075/83 = 25
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 83 = 249
2 x 25 = 50
Step 3) Put it all together to solve the problem:
249/2075 + 50/2075 = 299/2075
= 3/25 + 2/83 = 299/2075
It's that easy! Once again, the lowest common denominator (LCD) of 25 and 83 is as follows:
2075
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