What is the Least Common Denominator of 5 and 75?
You need to know the least common denominator (LCD) of 5 and 75 if you want to add or subtract two fractions with 5 and 75 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 5 and 75 is 75.
Here is a math problem example where you need to know the LCD of 5 and 75 to solve:
3/5 + 2/75 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
75/5 = 15
75/75 = 1
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 15 = 45
2 x 1 = 2
Step 3) Put it all together to solve the problem:
45/75 + 2/75 = 47/75
= 3/5 + 2/75 = 47/75
It's that easy! Once again, the lowest common denominator (LCD) of 5 and 75 is as follows:
75
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