You need to know the least common denominator (LCD) of 75 and 32 if you want to add or subtract two fractions with 75 and 32 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 75 and 32 is 2400.
Here is a math problem example where you need to know the LCD of 75 and 32 to solve:
3/75 + 2/32 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
2400/75 = 32
2400/32 = 75
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 32 = 96
2 x 75 = 150
Step 3) Put it all together to solve the problem:
96/2400 + 150/2400 = 246/2400
= 3/75 + 2/32 = 246/2400
It's that easy! Once again, the lowest common denominator (LCD) of 75 and 32 is as follows:
2400
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