You need to know the least common denominator (LCD) of 79 and 36 if you want to add or subtract two fractions with 79 and 36 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 79 and 36 is 2844.
Here is a math problem example where you need to know the LCD of 79 and 36 to solve:
3/79 + 2/36 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
2844/79 = 36
2844/36 = 79
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 36 = 108
2 x 79 = 158
Step 3) Put it all together to solve the problem:
108/2844 + 158/2844 = 266/2844
= 3/79 + 2/36 = 266/2844
It's that easy! Once again, the lowest common denominator (LCD) of 79 and 36 is as follows:
2844
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