You need to know the least common denominator (LCD) of 33 and 5 if you want to add or subtract two fractions with 33 and 5 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 33 and 5 is 165.
Here is a math problem example where you need to know the LCD of 33 and 5 to solve:
3/33 + 2/5 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
165/33 = 5
165/5 = 33
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 5 = 15
2 x 33 = 66
Step 3) Put it all together to solve the problem:
15/165 + 66/165 = 81/165
= 3/33 + 2/5 = 81/165
It's that easy! Once again, the lowest common denominator (LCD) of 33 and 5 is as follows:
165
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