You need to know the least common denominator (LCD) of 73 and 6 if you want to add or subtract two fractions with 73 and 6 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 73 and 6 is 438.
Here is a math problem example where you need to know the LCD of 73 and 6 to solve:
3/73 + 2/6 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
438/73 = 6
438/6 = 73
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 6 = 18
2 x 73 = 146
Step 3) Put it all together to solve the problem:
18/438 + 146/438 = 164/438
= 3/73 + 2/6 = 164/438
It's that easy! Once again, the lowest common denominator (LCD) of 73 and 6 is as follows:
438
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