You need to know the least common denominator (LCD) of 52 and 75 if you want to add or subtract two fractions with 52 and 75 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 52 and 75 is 3900.
Here is a math problem example where you need to know the LCD of 52 and 75 to solve:
3/52 + 2/75 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
3900/52 = 75
3900/75 = 52
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 75 = 225
2 x 52 = 104
Step 3) Put it all together to solve the problem:
225/3900 + 104/3900 = 329/3900
= 3/52 + 2/75 = 329/3900
It's that easy! Once again, the lowest common denominator (LCD) of 52 and 75 is as follows:
3900
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